 Koja is part of Tuzi Municipality The unofficial centre is the Ubli village.It had 227 inhabitants in the 2011 Montenegrin census and houses several institutions like a culture hall, the "Đoko Prelević" elementary school, a hospital, police station, and a former fabric factory.Ubli is situated in central Kuči with the center and villages of Prelevići, Pavićevići, Živkovići, Kostrovići, etc.