It is the seat of the gmina (administrative district) called Gmina Olszanka.
Greater Poland Voivodeship | Czersk, Masovian Voivodeship | Podlaskie Voivodeship | West Pomeranian Voivodeship | Pomeranian Voivodeship | Opole Voivodeship | Lower Silesian Voivodeship | Łódź Voivodeship | Kuyavian-Pomeranian Voivodeship | Henryków, Lower Silesian Voivodeship | Srebrna Góra, Lower Silesian Voivodeship | Gmina Puńsk | Wojnowo, Lubusz Voivodeship | Silesian Voivodeship | Sandomierz Voivodeship | Nowogródek Voivodeship | Masovian Voivodeship | Gmina Swarzędz | Gmina Kórnik | Gmina Kleszczewo | Gmina Czerwonak | Białystok Voivodeship | Warmian-Masurian Voivodeship | voivodeship | Przywodzie, Gmina Przelewice | Poznań Voivodeship (14th century–1793) | Poznań Voivodeship | Lesser Poland Voivodeship | Gródek, Świętokrzyskie Voivodeship | Gawrony, Lower Silesian Voivodeship |
He was born Kazimierz Łukoski in 1890, in the village of Sokół near Garwolin, in the Siedlce Governorate of the Russian Empire (in the Masovian Voivodeship of present-day Poland).
In 1998 Maria Wasiak became the final deputy-voivode of the Radom Voivodeship, before that region's amalgamation with others to form the Masovian Voivodeship as part of the Polish territorial divisions reforms in 1999.
Masovian Voivodeship, a present-day division of Poland, as well as other units existing after 1526