Zajas (Macedonian: , Albanian: Zajazi) is a municipality in western Republic of Macedonia. Zajas is also the name of the village where the municipal seat is found. Zajas municipality is part of Southwestern statistical region. The municipality borders Mavrovo and Rostu a municipality in the west, Gostivar municipality in the north-east, Oslomej municipality in the east, Ki evo municipality in the south-east, and Drugovo municipality in the south-west.