[2] Geomorphological specifics are related to the chine — canyon valley of the Drina river and its tributaries.

[2] Plant species characteristic of the Drina National Park are Serbian spruce (Picea omorika), endemic species of brown knapweed (Centaurea jacea), which with Edraianthus jugoslavicus, Daphne malyana and Sesleria tenuifolia [sv] builds communities of endemic character.

[2] Historically, the National Park belongs to a geographical area called Osat, which was once an administrative unit.

In the last century, the Osat area was known for its excellent builders - dungeons and specific architectural endeavors, about which Ivo Andrić wrote in the short story "Osatičani".

It has been declared a National Monument of Bosnia and Herzegovina,[3] a consists of Roman settlement, two early Christian basilicas, graves within it and movable finds located in the National Museum in Sarajevo and the Archaeological Museum "Roman Municipality" in Skelani.