From June 4 to 6, the iconic Banski Square in front of the Regional History Museum – Sofia will transform into a stage for ideas, art, urban solutions, and community energy. The first edition of “HEAT FEST” 2026 – Sofia’s Climate Festival, organized by the Sofia Development Association (SDA) and Sofia Municipality, hosted by Oborishte District, will bring together citizens, scientists, artists, and international experts through a rich three-day programme dedicated to the future of the city.
The first edition of the festival focuses on one of the most important topics related to urban climate adaptation – Sofia’s waters. The area around the Central Mineral Baths has been chosen symbolically as a place where the city’s history, collective memory, and thermal heritage meet. At a time of increasingly frequent heatwaves, water and green infrastructure are key to creating a cooler and healthier urban environment.
The official opening will take place on Thursday, June 4, at 11:00 a.m. at Banski Square, featuring a performance by the National Guards Representative Brass Band. The festival will be officially opened by the Mayor of Sofia Municipality Vasil Terziev, representatives of the Bulgarian Ministry of Regional Development and Public Works (within the framework of the Bulgarian Presidency of the EU Strategy for the Danube Region), and Gustav Csomor from the Monitoring Committee of the Interreg Danube Region Programme.
European Commissioner for Environment, Water Resilience and a Competitive Circular Economy Jessica Roswall will travel to Sofia especially for the occasion and will make an official tour of the festival spaces, where she will explore the showcased green solutions.
Visitors will have the opportunity to experience The Sofianer pop-up exhibition, the interactive urban heat guide WATI, first aid and rescue dog demonstrations by the Bulgarian Red Cross, the mobile automatic air quality monitoring station, and Museumko’s interactive exhibition. Children can enjoy eco-workshops, the “Chichopey” installation, and storytelling sessions by Sofia Library aboard the special “Fairytale Tram No. 83.” Adult visitors will be invited to join a workshop by Multi Kulti Collective focused on eco-friendly and low-impact alternatives for everyday life. The programme also includes a green market, free seed sharing, a free plant giveaway by SDA (on Saturday), and the clothing swap initiative “Vartodreshka.”
Throughout the three festival days, visitors will be able to explore the festival’s two thematic zones featuring dozens of interactive activities (June 4: 11:00 a.m.–5:00 p.m.; June 5: 1:00 p.m.–5:00 p.m.; June 6: 10:00 a.m.–12:00 p.m.):
“New European Bauhaus” Zone:
A space dedicated to sustainable design, architecture, and innovative urban solutions, featuring universities (including UACEG) and cultural organizations.
“The Waters of Sofia” Zone:
Dedicated to the city’s rivers, fountains, and lakes and their role in building a greener Sofia, featuring projects by the Bulgarian Biodiversity Foundation, “Green Sofia,” and others.
Alongside the festival, climate challenges will also be discussed at a high expert level. On June 4 at 4:30 p.m. at Sofia Event Center (Paradise Center), as part of the Green Transition Forum, the international roundtable “Be Ready Cooling Cities Roundtable: Urban Heat Islands, Climate Resilience and the Future of Urban Living” will bring together urbanists and speakers from Austria, Slovenia, Czechia, Montenegro, and Bulgaria.
“HEAT FEST” 2026 is part of the European Be Ready project under the Interreg Danube Programme and is a partner event of the European Green Week.
The festival is also part of the programme of the Bulgarian Presidency of the EU Strategy for the Danube Region. With the support of volunteers from Sofia Helpers, the festival aims to become a new urban tradition for Sofia.
Admission to all events at Banski Square is free.
Sofia Climate Festival “HEAT FEST” 2026 is organized in partnership with:
Bureau for Integration and Social Innovation, Bulgarian Society for the Protection of Birds (BSPB), The Sofianer, Bulgarian Biodiversity Foundation, Museumko, Multi Kulti Collective, WWF Bulgaria, National Institute of Meteorology and Hydrology (NIMH), International Organization for Migration, Studio Vazel, University of Forestry, Ecopack Bulgaria, Ecobulpack Bulgaria and Bulecopack, LLCLOUD, Bulgarian Red Cross (BRC), Merivel Beekeeping Farm, youth community space “Magnet” (Greenpeace Bulgaria), entrepreneurs and local producers, Gradoscope, University of Architecture, Civil Engineering and Geodesy (UACEG), Municipality of Gabrovo, BCause Foundation, JTI, DevHubOne, Sofia Directorate for Fire Safety and Civil Protection, Imp-Act Agency, Cleantech Bulgaria, European Climate Pact Ambassadors, Tsvetelina Ilieva – creator of “Tsvetna Poshta / Dirty Fingers,” Foundation “Koren,” Sofia Library, Municipal Enterprise “Tourism,” Regional History Museum – Sofia, “Regenerati,” children’s choir “Pim Pam,” and “Green Sofia.”

4 June 2026, Thursday

11:00 - 11:30 Festival opening.
Tour of the official guests round the festival
11:00 – 17:00 Outdoor programme
- Bulgarian Society for the Protection of Birds | 11:00 AM – 5:00 PM
Children’s Workshop for Water Birds
With colored pencils, paper straws, and lots of imagination, children will create their own water birds inspired by Bulgarian nature. The workshop invites young visitors to draw, cut, assemble, and invent feathered characters while learning more about birds and wetlands in Bulgaria.
- The Sofianer | 11:00 AM – 5:00 PM
Pop-up Exhibition
Through illustrations, humor, urban absurdities, and poetic scenes, The Sofianer celebrates the love for Sofia and presents different — sometimes unexpected — perspectives on the city, everyday life, and its future. The Sofianer explores what the city is today, how we imagine it tomorrow, and what kind of Sofia we want to live in.
- Sofia Municipality | 11:00 AM – 5:00 PM
Climate Resilience – Sofia Municipality
How can a city become cooler, greener, and better prepared for hot summers? Through visualizations and real-life examples, visitors will explore solutions such as rain gardens, climate shelters, and increased urban greenery that help Sofia adapt to climate change. We will also present everyday habits and practical solutions that help people cope with heat waves and the urban heat island effect.
- Muzeiko | 11:00 AM – 5:00 PM
Interactive Exhibition: “Live in the Circle! Solve the Problem”
An interactive exhibition that turns the circular economy into a game. Through riddles, challenges, and hands-on missions, children and their families will discover what happens to waste, how to use resources more wisely, and why small everyday choices matter for the future of the city and the planet.
- University of Forestry | 11:00 AM – 5:00 PM
Workshop: “Urban Gardeners”
A practical workshop where children will learn more about nectar-rich plants, bees, and urban nature. Participants will create seed bombs that they can plant at home, on a balcony, or in the city. The program also includes fun demonstrations for testing pH levels and nitrates in fruits and vegetables.
- Ecopack Bulgaria, Ecobulpack Bulgaria and Bulecopack
Workshop: “Recycle. Revive the Packaging” | 11:00 AM – 5:00 PM
A creative workshop for children and adults that transforms plastic, metal, cardboard waste into new and interesting objects. Through play and creativity, participants will learn more about waste separation, reuse, and caring for the environment.
Entrepreneurs | 11:00 AM – 5:00 PM
Crafts and Organic Products
Meet traditional Bulgarian crafts, handmade products, and organic goods from small local producers. Discover sustainable and natural alternatives for everyday life — from food and cosmetics to handmade items inspired by Bulgarian traditions and nature. The stands bring together flavors, aromas, and skills from different parts of Bulgaria and demonstrate how local production and craftsmanship can be part of a more sustainable lifestyle.
- Multi Kulti Collective | 11:00 AM – 1:00 PM
Workshop: “Homemade Eco Laundry Detergent”
A practical eco-workshop for people aged 65+, dedicated to environmentally friendly alternatives in everyday life. Together with Ivanka Kulova from Helta, participants will learn how to make eco laundry detergent using simple and accessible ingredients. We will discuss sustainable habits, small changes with a big impact, and ways to reduce harmful chemicals at home.
- Boyana Voynova | 11:00 AM – 1:00 PM
Culinary Workshop: “Disappearing Tastes”
“Grieving flavours” is an unusual culinary collection and recipe book dedicated to foods and ingredients threatened by extinction due to climate change and biodiversity loss. Visitors will explore the project, hear the stories behind the recipes, and taste selected flavors and ingredients from the collection. The event encourages discussion about climate change and the future of food.
- Bulgarian Red Cross | 11:00 AM – 2:00 PM
Demonstrations: “Rescuers in Action”
Demonstrations of first aid and rescue techniques by teams from the Bulgarian Red Cross and the Mountain Rescue Service. Visitors will see how emergency situations are handled and meet a specially trained rescue dog that participates in mountain rescue missions.
- WWF Bulgaria | 1:00 PM – 4:30 PM
Interactive Games for Children about Large Predators and Their Role in Nature
Through interactive games and fun challenges, children will learn more about Bulgaria’s large predators — bears, wolves, and other secret inhabitants of the forest. We will show why green corridors are important for wildlife and how climate change affects nature.
- WATI by Digital Spaces Living Lab | 1:00 PM – 5:00 PM
WATI – Your Personal Heat Guide in the City
Imagine your phone guiding you along the coolest route through the city. WATI is a mobile app that displays local temperatures in real time and helps users choose more comfortable routes during hot summer days. The app collects anonymous citizen data that helps create more accurate urban temperature maps and supports better future urban planning.
- National Institute of Meteorology and Hydrology | 3:00 PM – 5:00 PM
Demonstration: Early Warning Systems for Heat Waves
How is urban heat predicted and what does “feels-like temperature” mean? How are extreme heat conditions in Bulgaria forecast using specialized software, and how is thermal comfort and discomfort calculated during heat waves? The demonstration presents the role of science and data in understanding the impact of heat on people and the urban environment.
- DevHubOne | 11:00 AM – 5:00 PM
The First Arcade Machine: “Arcade with a Mission”
“Arcade with a Mission” turns recycling into a game. Visitors can play arcade games by “paying” with plastic bottles and aluminum cans for recycling. All games are developed by DevHubOne and encourage sustainable habits and environmental awareness in a fun way. Suitable for children and adults.
- Sofia Fire Safety and Civil Protection Directorate | 11:00 AM – 5:00 PM
Demonstration: How the Fire Department Works
A demonstration of firefighting equipment and techniques with professional firefighters. Visitors will get a close look at a light firefighting vehicle, specialized equipment, and learn how emergency and fire situations are handled. The demonstration also includes practical fire safety and prevention advice for urban environments and nature.
- Cleantech Bulgaria | 11:00 AM – 1:00 PM
European Climate Pact Ambassadors
The ambassadors of the European Climate Pact in Bulgaria actively work to inform, inspire, and encourage citizens to take action against climate change. Through various initiatives, campaigns, and events, they present climate topics through personal and professional experience and promote more sustainable lifestyles.
- Tsvetelina Ilieva/Flower Post | 11:00 AM – 5:00 PM
Seed Preservation and Sharing
Meet the “Tsvetna Poshta” initiative — a community for free seed sharing and seed preservation.Visitors will learn more about biodiversity, pollinators, and ways everyone can help nature. The initiative encourages the exchange of seeds and ideas and demonstrates how caring for plants can become caring for the community and the city.
- Mobile Automatic Air Quality Monitoring Station of Sofia Municipality
Demonstration: Mobile Automatic Monitoring Station | 11:00 AM – 5:00 PM
What kind of air do we breathe every day in Sofia? Through the Mobile Automatic Monitoring Station (MAMS), visitors will see how air quality is measured in real time and how fine particulate matter and other pollutants affecting health and the urban environment are monitored
- Sofia Library and Tourist Information Center Tram No. 83 | 11:00 AM – 1:00 PM
“Fairytale Tram No. 83”
“Fairytale Tram No. 83” invites the youngest visitors to a special reading session of children’s books dedicated to nature, animals, and imagination. In the cozy atmosphere of the retro tram — Sofia’s tourist information center — actor Yuliyan Balahurov will take children on a journey through the world around us. Each child visitor will receive a gift — a library card and a book.
- Directorate of Sports and Youth Activities of Sofia Municipality
“Chichopey”: Interactive Children’s Playground | 11:00 AM – 5:00 PM
Dedicated to the Great Tit bird, the interactive installation “Chichopey” transforms children into little explorers of urban nature. Through games, mobile installations, and a sound sculpture, children aged 3 to 10 will discover the world of birds and the relationship between nature, music, and the city in a fun and interactive way. The project was created by Ralitsa Kostadinova, Visionaries Academy 2025.
- Green Sofia | 11:00 AM – 5:00 PM
Traveling Exhibition
An exhibition tracing Sofia’s transformation toward a greener and more climate-resilient city. Through visualizations, data, and examples, the exhibition presents the city’s progress across the 12 key indicators of the European Green Capital competition — from air quality and urban mobility to green spaces, energy, and circular economy.
05:00 – 05:30 PM Cultural Program: Pim Pam Children’s Choir
Collaboration Event with Green Transition Forum 6.0 – Bulgaria
4:30 PM – 6:00 PM Round Table: “Cooling Cities: Urban Heat Islands, Climate Resilience, and the Future of Urban Life”
Working language: English
Time: 4:30 PM – 6:00 PM
Location: Sofia Event Center
Organizer: Sofia Development Association
As part of the Sofia Climate Festival and in partnership with the Green Transition Forum 6.0, an international round table discussion will be held on urban heat islands, climate resilience, and urban adaptation to climate change.
The discussion will bring together representatives of institutions, businesses, experts, and international partners to discuss solutions for cooler and more resilient cities, the role of nature-based solutions, the impact of climate change on biodiversity and water systems, and how businesses can support prevention and adaptation to climate risks.
5 June 2026, Friday
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13:00 – 17:00 Outdoor programme
- Bulgarian Society for the Protection of Birds | 1:00 PM – 5:00 PM
Children’s Workshop for Water Birds
With colored pencils, paper straws, and lots of imagination, children will create their own water birds inspired by Bulgarian nature. The workshop invites young visitors to draw, cut, assemble, and invent feathered characters while learning more about birds and wetlands in Bulgaria.
- Bulgarian Biodiversity Foundation | 1:00 PM – 5:00 PM
Workshop: “Seed Bombs”
A creative workshop for making small “bouquets” from soil, clay, and seeds of nectar-rich plants, which after planting become colorful oases for bees and other wild pollinators. The workshop shows how small actions can help nature return to the city.
- Bulgarian Biodiversity Foundation | 1:00 PM – 5:00 PM
Badge-Making Workshop with a Cause
A creative workshop for making badges with messages about climate and nature. Visitors will be able to choose from illustrations of species from Bulgarian wildlife and inspiring messages for a more sustainable lifestyle, and in exchange for a donation they can take their badge home with them.
- Sofia Municipality | 1:00 PM – 5:00 PM
Climate Resilience – Sofia Municipality
How can a city become cooler, greener, and better prepared for hot summers? Through visualizations and real-life examples, visitors will explore solutions such as rain gardens, climate shelters, and increased urban greenery that help Sofia adapt to climate change. We will also present everyday habits and practical solutions that help people cope with heat waves and the urban heat island effect.
- Muzeiko | 1:00 PM – 5:00 PM
Interactive Exhibition: “Live in the Circle! Solve the Problem”
An interactive exhibition that turns the circular economy into a game. Through riddles, challenges, and hands-on missions, children and their families will discover what happens to waste, how to use resources more wisely, and why small everyday choices matter for the future of the city and the planet.
- Multi Kulti Collective | 1:00 PM – 3:00 PM
Aromatic Eco Culinary Workshop with Mahsa Nourai
An aromatic culinary workshop featuring flavors from the Middle East and ideas for more sustainable cooking. Together with Mahsa Nourai from Iran, visitors will discover how date pits can be used to prepare a caffeine-free drink, as well as various desserts made with dates. The workshop includes tastings, culinary stories, and conversations about sustainable kitchen habits and food utilization.
- Studio Vazel | 3:00 PM – 5:00 PM
Workshop: “Original Prints and New Design for Old Clothes”
A creative workshop for textile printing using linocut techniques that gives new life to old clothes and accessories. Visitors can bring their own T-shirts, shirts, bags, or other textile items and transform them with original prints and new designs. The workshop combines creativity, sustainability, and the idea that favorite belongings can be renewed instead of thrown away. Suitable for both children and adults.
- University of Forestry | 1:00 PM – 5:00 PM
Workshop: “Urban Gardeners”
A practical workshop where children will learn more about nectar-rich plants, bees, and urban nature. Participants will create seed bombs that they can plant at home, on a balcony, or in the city. The program also includes fun demonstrations for testing pH levels and nitrates in fruits and vegetables.
- Ecopack Bulgaria, Ecobulpack Bulgaria and Bulecopack
Workshop: “Recycle. Revive the Packaging” | 1:00 PM – 5:00 PM
A creative workshop for children and adults that transforms plastic, metal, and cardboard waste into new and interesting objects. Through play and creativity, participants will learn more about waste separation, reuse, and caring for the environment.
- WATI by Digital Spaces Living Lab | 1:00 PM – 5:00 PM
WATI – Your Personal Heat Guide in the City
Imagine your phone guiding you along the coolest route through the city. WATI is a mobile app that displays local temperatures in real time and helps users choose more comfortable routes during hot summer days. The app collects anonymous citizen data that helps create more accurate urban temperature maps and supports better future urban planning.
- Bulgarian Red Cross | 1:00 PM – 5:00 PM
Demonstrations: “Learn How to Help”
Interactive demonstrations and games dedicated to first aid, emergency response, and caring for people and nature. Visitors will watch demonstrations of CPR, defibrillator use, and first aid in various situations. The program also includes eco bingo, crosswords, and games for children focused on sustainable lifestyles and environmental protection.
- Entrepreneurs | 1:00 PM – 5:00 PM
Crafts and Organic Products
Meet traditional Bulgarian crafts, handmade products, and organic goods from small local producers. Discover sustainable and natural alternatives for everyday life — from food and cosmetics to handmade items inspired by Bulgarian traditions and nature. The stands bring together flavors, aromas, and skills from different parts of Bulgaria and demonstrate how local production and craftsmanship can be part of a more sustainable lifestyle.
- Tsvetelina Ilieva/Flower post | 1:00 PM – 5:00 PM
Seed Preservation and Sharing
Meet the “Tsvetna Poshta” initiative — a community for free seed sharing and seed preservation. Visitors will learn more about biodiversity, pollinators, and ways everyone can help nature. The initiative encourages the exchange of seeds and ideas and demonstrates how caring for plants can become caring for the community and the city.
- Koren Foundation | 3:00 PM – 5:00 PM
Seed Exchange
An exchange of seeds, seedlings, and gardening stories for all lovers of plants, urban gardening, and biodiversity. Visitors are invited to bring their own seeds or discover new varieties of flowers, herbs, and plants to take home.
- Sofia Library and Tourist Information Center Tram No. 83
“Fairytale Tram No. 83” | 3:00 PM – 5:00 PM
“Fairytale Tram No. 83” invites the youngest visitors to a special reading session of children’s books dedicated to nature, animals, and imagination. In the cozy atmosphere of the retro tram — Sofia’s tourist information center — actor Yuliyan Balahurov will take children on a journey through the world around us. Each child visitor will receive a gift — a library card and a book.
- Directorate of Sports and Youth Activities of Sofia Municipality
“Chichopey”: Interactive Children’s Playground | 1:00 PM – 5:00 PM
Dedicated to the Great Tit bird, the interactive installation “Chichopey” transforms children into little explorers of urban nature. Through games, mobile installations, and a sound sculpture, children aged 3 to 10 will discover the world of birds and the relationship between nature, music, and the city in a fun and interactive way. The project was created by Ralitsa Kostadinova, Visionaries Academy 2025.
- Green Sofia | 1:00 PM – 5:00 PM
Traveling Exhibition
A traveling exhibition tracing Sofia’s transformation toward becoming a greener and more climate-resilient city. Through visualizations, data, and examples, the exhibition presents the city’s progress across the 12 key indicators of the European Green Capital competition — from air quality and urban mobility to green spaces, energy, and circular economy.
- EXP ART LAB | 5:00 PM – 5:30 PM
Creative Challenge
An improv performance in which the audience provides the challenges and the dancers transform them into spontaneous improvised miniatures. From “a giraffe in the ocean” to “a turtle melting from the heat” — everything is possible when imagination leads the game.
- Imp-Act Agency & Youth Space Magnet | 5:00 PM – 6:00 PM
Free Clothes Swap
A community exchange of clothes and ideas for a more sustainable lifestyle. Bring several clean and well-preserved clothes for swapping — or simply come browse and participate. Visitors will also learn more about overconsumption, fashion, the Make Something Week festival, the power of communities, and positive change created by young people.
Two special zones at the festival
New European Bauhaus Zone
4 June, Time: 11:00 AM – 5 PM
5 June, Time: 1:00 PM – 5 PM
NEW INHERIT Project, Gradoscope
“NEW INHERIT” is an international project by Gradoscope and European partners, supported by the Creative Europe 2023 program, dedicated to the sustainable reuse of abandoned buildings and cultural heritage. Through exhibitions, artistic interventions, and international exchange, the initiative explores how old urban spaces can be adapted to the needs of the contemporary city. In Sofia, the project explores how the Poduyane Railway Station building can become a community space for culture, education, and urban development.
Common Grounds Project, Gradoscope
“Common Grounds” is an artistic project by Gradoscope and organizations from France and Spain, supported by Creative Europe 2024, bringing together artists, researchers, and local communities around the topics of soil, ecology, and the future of urban environments. Artists from Bulgaria, France, and Spain collaborate with scientists and local organizations to create ideas for the sustainable regeneration of urban and industrial spaces. In Sofia, the project focuses on the Poduyane Railway Station area and its potential for new public and ecological life.
URBiNAT Project, University of Architecture, Civil Engineering and Geodesy
URBiNAT is an international Horizon 2020 project dedicated to how nature-based solutions can transform urban neighborhoods into greener, healthier, and more connected spaces. In Sofia, the project focuses on the Nadezhda district, where citizens, experts, and local communities have co-developed the concept of the “Green Health Corridor” — a model for a more sustainable and socially connected urban environment.
AQUAlive Project
AQUAlive is an international scientific project funded by the DUT program and co-financed by Horizon Europe, exploring how floodable parks can help cities better manage rainwater and adapt to climate change. The project develops nature-based solutions that cool urban environments, increase biodiversity, and create more sustainable and pleasant public spaces.
GreenEsteem Project
GreenEsteem is an international Horizon Europe project promoting collaboration between citizens, institutions, businesses, and academia in the field of nature-based solutions. Sofia is one of the project’s two “living laboratories,” where local communities and experts develop and test sustainable solutions for greener, more inclusive, and resilient urban spaces.
Municipality of Gabrovo
“Christo and Jeanne-Claude” Center – Gabrovo
The “Christo and Jeanne-Claude” Center in Gabrovo is an example of applying the principles of the New European Bauhaus — creating a beautiful, sustainable, and inclusive space that connects cultural heritage, contemporary art, and active community participation. The presentation follows the transformation of the former Textile Technical School building into a place for contemporary art, public art, textile heritage, creative experimentation, and cultural-educational practices. The project is part of the integrated territorial investment “Banks of Contemporary Times,” financed under the “Regions in Growth” Programme 2021–2027.
Within the Horizon Europe AccesS initiative, the Center is also a pilot location for solutions related to accessibility, sustainability, energy efficiency, and smart urban environments. Through photographs and visual materials, visitors will see how the space was activated through events, exhibitions, artistic interventions, and citizen participation even before its reconstruction.
Municipality of Varaždin
LIFE BauhausingEurope
LIFE BauhausingEurope is an international project co-financed by the LIFE program that applies the principles of the New European Bauhaus to the renovation of public buildings and urban neighborhoods in several European cities. The project demonstrates how sustainable, beautiful, and inclusive approaches can transform urban and rural spaces into more vibrant, resilient, and connected communities.
Waters of Sofia Zone
4 June, Time: 11:00 AM – 5 PM
5 June, Time: 1:00 PM – 5 PM
Municipality of Kranj, Slovenia - Water Installation: “Rain Zone”
The city of Kranj presents “Rain Zone” — an innovative water installation created as a solution for cooling urban environments and adapting to the urban heat island effect. Located in the city’s historic center, the installation combines climate functionality, design, and public art, quickly becoming a favorite gathering place for residents and visitors.
Bulgarian Biodiversity Foundation
Exhibition: The Importance of Fountains and Micro-Wetlands
The exhibition presents a joint initiative for the preservation and restoration of fountains and micro-wetlands together with Vitosha Nature Park, UBB, and Mastercard. Since April 2025, three fountains have already been restored, with work continuing on new sites throughout 2026. In addition to financial support, the companies participate through volunteer initiatives along
BCause Foundation, Exhibition: “Drop by Drop”
“Drop by Drop” is a three-year program by the BCause Foundation aimed at improving access to drinking water and hygiene, focusing on regions affected by water shortages, vulnerable social groups, and the capital city. The initiative is funded by the JTI Global WASH initiative and JTI Bulgaria.
Sofia Helpers
Sofia Helpers, an initiative of Sofia Municipality, will support the festival with a team of volunteers helping with organization, coordination, and welcoming visitors. The initiative brings together young people and volunteers participating in causes related to social support, ecology, animal care, events, and crisis assistance.
6 June 2026, Saturday
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- Municipal Enterprise “Tourism” | 8:00 AM – 10:00 AM
Walking tour “Meet the Birds of Sofia”
“Meet the Birds of Sofia” is a walking tour in South Park. Participants will learn more about different bird species, their songs, and habitats while observing nature up close. Necessary equipment will be provided by the organizers. The tour is not suitable for people with mobility impairments. Online registration is required. Only 15 places are available.
- Sofia Development Association & GBM Commerce Ltd.
“Take a plant and make Sofia greener” | 10:00 AM – 12:00 PM
The initiative invites visitors to take plants home for planting on balconies, in gardens, or in neighborhood spaces. The initiative encourages more greenery in the city and demonstrates how small actions can make Sofia more beautiful, lively, and pleasant for everyone. Seeds are donated by GBM Commerce.

