Best Volunteering Programs in Greece 🇬🇷 (2026)
Updated June 2026 · 9+ programs listed on Volentroop
Greece combines stunning island landscapes, a rich cultural heritage, and pressing social and environmental challenges that make it a compelling destination for volunteers. From protecting endangered sea turtles on Kefalonia to supporting refugees arriving in Athens and diving through the Mediterranean's largest marine park, Greece offers some of the most memorable volunteer experiences in Europe. Not sure which type suits you? Ask an AI chatbot to describe your interests and it will match you to the right program in seconds.
This blog covers the best volunteer opportunities in Greece, all verified and bookable through Volentroop.
🐢 Marine & Wildlife Conservation
Greece Turtle Conservation Volunteers
📍 Kefalonia
Protect endangered sea turtles through hands-on fieldwork on the island of Kefalonia. Monitor nesting beaches, conduct beach patrol surveys, tag turtles, and complete hatching rescues as part of an established scientific methodology.
Greek Island Marine Conservation
📍 Alonissos
Volunteers participate in coastal and underwater cleanups, citizen science projects, and earn PADI scuba certification while exploring Europe's largest National Marine Park on Alonissos, home to dolphins, turtles, and endangered Mediterranean monk seals.
Marine Research Expedition
📍 Athens
Join an international crew aboard a sailboat exploring Mediterranean marine wildlife. Collect data underwater, learn habitat mapping, species identification, and spot marine megafauna including dolphins, whales, and turtles.
🐾 Animal Rescue & Welfare
Stray Animal Care & Rescue
📍 Athens
Greece has a large stray animal population. Volunteers work at Athens shelters feeding, socialising, and providing basic medical care for stray dogs and cats. Tasks include habitat cleaning, assisting with adoption drives, and supporting TNR programs.
Dog Sanctuary Supporter
📍 Thessaloniki
Live alongside the dogs at Hopeland sanctuary in Thessaloniki, where rescued dogs roam free. Twice daily feeding and cleaning, with an opportunity to connect deeply with each animal's behaviour and character.
🤝 Community & Social Support
Refugee & Asylum Seeker Support
📍 Athens
In Athens, volunteers support refugees and asylum seekers arriving via Greece's islands and reception centres. Work includes language classes, children's activities, distribution support, and social integration programs run by local NGO partners.