From the Wikipedia page 
Mysłowice [mɨswɔˈvʲit͡sɛ] (German Myslowitz) is a city in Silesia in southern Poland, near Katowice. The population of the city as of 2008 is 74,912.
It is located in the south district of the Upper Silesian Metropolitan Union in the Silesian Highlands, on the Przemsza and Brynica rivers (tributaries of the Vistula). It is situated in the Silesian Voivodeship since its formation in 1999, previously in the Katowice Voivodeship, and before then, the Autonomous Silesian Voivodeship. Mysłowice is one of the cities comprising the 2.7 million conurbation - Katowice urban area and within the greater Silesian metropolitan area.