Starci is located in the municipality Staro Petrovo Selo, in Slavonski Brod-Posavina County at an elevation of 151 meters above sea level and it covers the area of 7.21 km² (2.78 sq. miles). According to the 2011 census report, there were 4 inhabitants. It is entirely populated by Croats. Nearby places: Vladisovo, Oštri Vrh, Tisovac, Blažević Dol, Staro Petrovo Selo, Godinjak, Vrbova, Brđani, Gornji Crnogovci and Gunjavci.