A report on Metropolis GZM

Katowice is a central part of the Metropolis GZM, with a population of 2.3 million, and a part of a larger Upper Silesian metropolitan area that extends into the Czech Republic and has a population of 5-5.3 million people.

Chorzów is one of the central cities of the Upper Silesian Metropolitan Union – a metropolis with a population of 2 million.

The DTŚ runs most of its course parallel to the A4 motorway but, unlike the A4, the DTŚ provides access to the congested centers of the Upper Silesian Metropolitan Union with 26 junctions (A4 has 6 junctions in the comparable section).

Gliwice is the westernmost city of the Upper Silesian metropolis, a conurbation of 2.0 million people, and is the third-largest city of this area, with 175,102 permanent residents as of 2021.

It is also the central district of the Upper Silesian Metropolitan Union metropolis, with a population of 2 million, and is located in the Silesian Highlands, on the Rawa River (tributary of the Vistula).

The west district of the Silesian Metropolis, a metropolis with a population of around 2 million.

It is a district in the Upper Silesian Metropolitan Union, a metropolis with a population of two million.

Siemianowice Śląskie also known as Siemianowice (Siemianowitz-Laurahütte; ) is a city in Upper Silesia in southern Poland, near Katowice, in its central district in the Upper Silesian Metropolitan Union - a metropolis with a population of 2 million people and is located in the Silesian Highlands, on the Brynica river (tributary of the Vistula).

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).

Sosnowiec is an industrial city county in the Dąbrowa Basin of southern Poland, in the Silesian Voivodeship, which is also part of the Silesian Metropolis municipal association.