Its seat is the village of Kostomłoty, which lies approximately 12 kilometres (7 mi) south of Środa Śląska and 31 km (19 mi) west of the regional capital Wrocław.

The gmina has a very low amount of foreigners: less than 1% of the population is of a different citizenship than Polish, and about a percent has been born outside of Poland.

The gmina covers an area of 146.25 square kilometres (56.5 sq mi), out of which 88% is farmland, and 4% is forests, which are mostly concentrated in the south of it, in the valley of Strzegomka.

The gmina contains the villages of Bogdanów, Budziszów, Chmielów, Czechy, Godków, Jakubkowice, Jarząbkowice, Jenkowice, Karczyce, Kostomłoty, Lisowice, Mieczków, Osieczna, Osiek, Paździorno, Piersno, Piotrowice, Pustynka, Ramułtowice, Samborz, Samsonowice, Siemidrożyce, Sikorzyce, Sobkowice, Świdnica Polska, Szymanowice, Wichrów, Wilków Średzki, Wnorów and Zabłoto.

This Środa Śląska County location article is a stub.