Wieliczka - is known around the world with unique old salt mine, which is visited by large numbers of tourists. It is also an important link in the agglomeration of Krakow noclegowym.

Poznań - is a very important economic center, economic, scientific and cultural Wielkopolski. It is the center of a well-developed infrastructure, which is strongly linked with the adjacent municipalities creates agglomeration.

Gdańsk - is the biggest and most important center of cultural, scientific, economic, business and economic-industrial northern Polish. It is also the hub of strategic importance.