 The gmina covers an area of , and as of 2006 its total population is 9,832.Gmina Kłaj contains the villages and settlements of Brzezie, Dąbrowa, Grodkowice, Gruszki, Kłaj, Łężkowice, Łysokanie, Szarów and Targowisko.Gmina Kłaj is bordered by the gminas of Bochnia, Drwinia, Niepołomice and Gdów.