Original: It has been situated in the Silesian Voivodeship (administrative division) since 1999, and was previously the capital of Cz stochowa Voivodeship (1975 - 1998).
Simplified: It has been located in the Silesian Voivodship (administrative division) since 1999, and was once the capital of Cz stochowa Voivodship (1975-1998).