Masovian Voivodeship () was an administrative region of the Kingdom of Poland, and of the Polish–Lithuanian Commonwealth, from 1526 to the partitions of the Polish–Lithuanian Commonwealth to 1795. Together with Płock and Rawa Voivodeships, it formed the province of Masovia. Its area was divided into ten lands. The seat of the voivode was Warsaw, local sejmiks also convened in Warsaw, at St. Martin's church.
History The voivodeship was officially created by King Sigismund I the Old on December 27, 1529, three years after the incorporation of the Duchy of Masovia into the kingdom. In the Senate of the Polish–Lithuanian Commonwealth, it had eight senators. These were: the Voivode of Mazovia, the Castellan of Czersk, and Castellans of Wizna, Wyszogród, Zakroczym, Warszawa, Ciechanów, and Liw.
Municipal government Seat of the Voivodeship Governor (Wojewoda): Warsaw
Administrative division
Ciechanów Land (ziemia ciechanowska, Ciechanów) Czersk Land (ziemia czerska, Czersk) Liw Land (ziemia liwska, Liw) Łomża Land (ziemia łomżyńska, Łomża) Nur Land (ziemia nurska, Nur) Różan Land (ziemia różańska, Różan) Warszawa Land (ziemia warszawska, Warsaw) Wizna Land (ziemia wiska, Wizna) Wyszogród Land (ziemia wyszogrodzka, Wyszogród) Zakroczym Land (ziemia zakroczymska, Zakroczym)
Voivodes Feliks Brzeski (1517–1545) Stanisław Warszycki (1630–1651) Stanisław Poniatowski (from 1731) Andrzej Mokronowski (from 1781)
References
Sources Masovian Voivodeship, description by Zygmunt Gloger