Metropolis GZM (Górnośląsko-Zagłębiowska Metropolia)
Metropolis GZM is an association of 41 municipalities in southern Poland with Katowice as its capital.
Summary
It is the only formal metropolitan area in Poland responsible for spatial planning, public transport, and socio-economic development.
It prototypes and implements innovative urban concepts and is an integrator of the most urbanized and populated part of Silesia.