Ahtopol is placed at the Nature park Strandzha - the biggest protected area in Bulgaria, where the major migration route known as Via Pontica is passing, where over 50% of the Bulgarian flora is represented.

Five kilometers south of Ahtopol is the mouth of the Veleka river, the most beautiful and ecologically clean river along the Black Sea coast. The village of Kosti, famous for fire-dances, is situated close to the river mouth. The village of Varvara is 3 km to the north ? a favourite place for divers for it is full of stone cavities in the river banks and reefs of shells under water.