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.
- Country
- Crown of the Kingdom of Poland, Polish–Lithuanian Commonwealth
- Inception
- 1526
