Telašćica bay is situated in the southeastern part of the Dugi otok island, close to the northwestern part of the island of Kornati (the biggest island of the Kornati archipelago).

It is one of the largest and most beautiful Adriatic bays, with 13 islets and reefs, of which six are within the bay.

Area of Nature Park is 70km2, of which the sea occupies about 44 km2. On the outer side towards the open sea , the vertical cliffs are rising up to 200 meters above sea, and are continuing up to 90m in depth.