Losino-Petrovsky is a town located in the Moscow Oblast region of Russia. It is situated at the confluence of the Vorya and Klyazma Rivers, approximately 52 kilometers (32 miles) northeast of Moscow.
According to census data, the population of the town has remained relatively stable over recent decades. The 1989 Soviet census recorded a population of 22,906, while subsequent counts showed 22,324 in 2002 and 22,550 in 2010.