Zawiercie [zaˈvjɛrt͡ɕɛ] is a city in the Silesian Voivodeship of southern Poland with 51880 inhabitants (2011). It is situated in the Kraków-Częstochowa Upland near the source of the Warta River. The city has also historically been known by the names Zaveyurchy, Zavertse, Zavirtcha and Zavyerche. The town lies near the historical region of Silesia, but belongs to Lesser Poland. In 1945, it was made a part of the Katowice Voivodeship.