 The gmina covers an area of , and as of 2006 its total population is 10,093.Gmina Wierzbica contains the villages and settlements of Błędów, Dąbrówka Warszawska, Łączany, Podgórki, Polany, Polany-Kolonia, Pomorzany, Pomorzany-Kolonia, Ruda Wielka, Rzeczków, Rzeczków-Kolonia, Stanisławów, Suliszka, Wierzbica, Wierzbica-Kolonia, Zalesice and Zalesice-Kolonia.Gmina Wierzbica is bordered by the gminas of Iłża, Jastrząb, Kowala, Mirów, Mirzec, Orońsko and Skaryszew.