Grand Duchy of Moscow

The Grand Duchy of Moscow, Muscovite Rus'  or

Grand Principality of Moscow (Russian: Великое

Княжество Московское, Velikoye Knyazhestvo 

Moskovskoye, also known in English simply as Muscovy

from the Latin: Moscoviae) was a Rus' principality of the

Late Middle Ages centered around Moscow.