Drenovac Osredački is located in the municipality Gračac, in Zadar County at an elevation of 460 meters above sea level and it covers the area of 15.45 km² (5.97 sq. miles). According to the 2011 census report, there were only 12 inhabitants. It is entirely populated by Serbs. Nearby places: Tiškovac Lički, Strmica, Rastičevo, Plavno, Kaldrma, Nadvrelo, Prljevo, Dugopolje, Otrić and Radljevac.