From the Wikipedia page [1]
Zabrze (/ˈzɑːbʒeɪ/; Polish pronunciation: [ˈzabʐɛ]; German: 1915–1945: Hindenburg O.S., full form: Hindenburg in Oberschlesien, 1905–1915: Zabrze, Silesian: Zobrze) is a city in Silesia in southern Poland, near Katowice. The west district of the Silesian Metropolis, a metropolis with a population of around 2 million. It is located in the Silesian Highlands, on the Bytomka River, a tributary of the Oder.
Zabrze is situated in the Silesian Voivodeship which was reformulated in 1999. Prior to 1999 it was situated in Katowice Voivodeship. It is one of the cities composing the 2.7 million inhabitant conurbation referred to as the Katowice urban area, itself a major centre in the greater Silesian metropolitan area which is populated by just over five million people