Koljane is located in the City of Vrlika, in Split-Dalmatia County at an elevation of 361 meters above sea level and it covers the area of 70.62 km² (27.27 sq. miles). According to the 2011 census report, there were 21 inhabitants. It is mostly populated by Croats (71%), but also Serbs (29%). Nearby places: Laktac, Garjak, Otišić, Dabar, Ježević, Maljkovo, Vučipolje, Podosoje, Zasiok and Vinalić.