At the village of Volkovija, an artificial bifurcation is created, as the waters of the Upper Radika are conducted into the artificial lake Mavrovo at the village of Mavrovi Anovi and from there, via the Mavrovo system of the hydroelectric power plants, into the Vardar river (in this bifurcational flow, it even receives a tributary, small stream of Beličica from the right).
The municipality consists of the following villages: Adžievci, Beličica, Bibaj, Bituše, Bogdevo, Boletin, Cerovo, Duf, Galičnik, Grekaj, Janče, Kičinica, Krakornica, Lazaropole, Leunovo, Mavrovi Anovi, Mavrovo, Ničpur, Nikiforovo, Nistrovo, Nivište, Novo Selo, Orkjuše, Prisojnica, Ribnica, Rosoki, Rostuša, Selce, Sence, Skudrinje, Sretkovo, Sušica, Tanuše, Trebište, Tresonče, Velebrdo, Viduše, Volkovija, Vrben, Vrbjani, Žirovnica, Žužnje