Tychy ([ˈtɨxɨ], German: Tichau) is a city in Silesia, Poland, approximately 20 kilometres (12 mi) south of Katowice. Situated on the southern edge of the Upper Silesian industrial district, the city borders Katowice to the north, Mikołów to the west, Bieruń to the east and Kobiór to the south.