Grupa I was created in 1979.
Atlantic Grupa was created in 1991.
Korni Grupa was created in 1968.
Adris grupa was created in 1872.
Grupa Lotos was created in 2003.
YU grupa was created in 1970.
Polska Grupa Energetyczna was created in 1990.
Live - YU grupa album - was created in 2007.
The Ultimate Collection - YU grupa album - was created in 2009.
Grupa I ended in 1982.
The population of Atlantic Grupa is 1,748.
Korni Grupa ended in 1974.
The population of Grupa-Osiedle is 1,646.