Kotlenice is located in the municipality Dugopolje, in Split-Dalmatia County at an elevation of 509 meters above sea level and it covers the area of 11.82 km² (4.56 sq. miles). According to the 2011 census report, there were 151 inhabitants. It is entirely populated by Croats. Nearby places: Liska, Bisko, Donji Dolac, Ercegovci, Dugopolje, Krušvar, Vojnić Sinjski, Gornje Sitno, Gardun and Čaporice.