Proper noun
Masovia
(historical) A historic and geographical region of Poland, situated in the east of the country.
Duke Konrad of Masovia still was not capable to end the Prussian attacks on his territory and in 1224 began to conduct negotiations with the Teutonic Knights under Grand Master Hermann von Salza in order to strengthen his forces. Source: Internet
If Szczerbiec had previously belonged to his uncle, Boleslaus I of Masovia, or his father-in-law, Boleslaus the Pious, then he could have inherited it. Source: Internet
Two other regions with high infection rate are Masovia, around Warsaw, and the eastern region around the city of Poznan. Source: Internet
They had the task of establishing secure borders between Masovia and the Prussians, with the assumption that conquered territories would become part of Masovia. Source: Internet
Four people were injured, including two in Silesia, one in Wielkopolska and one in Masovia. Source: Internet