Thessaloniki
#ReplicationCity
Thessaloniki is Greece’s second-largest city and a vibrant cultural hub of Northern Greece, blending history with modern urban life. Founded in 315 BC, it has long been a crossroads of civilizations, reflected in its rich architectural and cultural heritage. The city is renowned for its Byzantine monuments, 15 of which are UNESCO World Heritage Sites. Thessaloniki hosts several major universities and higher-education institutions, giving it one of the largest student populations in the country. This strong academic presence shapes a youthful, dynamic atmosphere and drives innovation and creativity. Situated along the Thermaic Gulf, the city also offers a lively waterfront, rich gastronomy, and an energetic nightlife that reflects its young and diverse population.


City Overview
Tartu is a Demonstration City, working on urban greening and regeneration to strengthen climate resilience and quality of life. By integrating co-creation, youth engagement and nature-based solutions, Tartu is developing inclusive approaches to transform public spaces and support sustainable urban development.
Local Focus & Challenges
Tartu faces climate challenges such as heat stress and changing precipitation patterns, with vulnerable neighbourhoods often lacking access to quality green spaces.
ClimaGen supports Tartu in integrating co-creation, innovation and youth engagement into local regeneration strategies.
Key Actions in ClimaGen
-
Urban greening and regeneration measures
-
Youth engagement and educational activities
-
Co-creation with communities
-
Nature-based solutions for resilience
-
Cross-city learning and exchange
Local Partners
ClimaGen in Tartu is led by the municipality and supported by local universities, research organisations, civil society groups and innovation partners.
Territorial Implementation Overview
The areas contributing to the implementation process.

MAJOR DEVELOPMENT AGENCY THESSALONIKI
The Major Development Agency Thessaloniki (MDAT S.A.) is an intermunicipal organisation for local development that plays a pivotal role in supporting the municipalities of the Thessaloniki greater urban area. With a mandate to strengthen urban sustainability and promote smart and inclusive growth, MDAT S.A. works closely with municipalities to design and implement innovative projects that foster socioeconomic development.

ARISTOTLE UNIVERSITY OF THESSALONIKI
Founded in 1925 and named after the philosopher Aristotle, the Aristotle University of Thessaloniki (AUTh) is the largest university in Greece and the Balkans, located in the city’s centre, It fosters a large academic community of 88,000 students. AUTh comprises 11 faculties and 41 schools, driving innovation through a wide range of scientific and cultural disciplines.


Belgrade, Serbia

Gdańsk, Poland

Tartu, Estonia

Torino, Italy

Trondheim, Norway

Cluj-Napoca, Romania

Eindhoven, The Netherlands

Gernika, Spain

