Katowice (Polish: [ka.tɔˈvi.t͡sɛ] , German: Kattowitz) is the capital city of the Silesian Voivodeship in southern Poland and the central city of the Katowice urban area. As of 2021, Katowice has an official population of 286,960, and a resident population estimate of around 315,000. Katowice is a central part of the Metropolis GZM, with a population of 2.3 million, and a part of a larger Katowice-Ostrava metropolitan area that extends into the Czech Republic and has a population of around 5 million people, making it one of the most populous metropolitan areas in the European Union.
https://en.wikipedia.org/wiki/Katowice