What is "proletariy"

Proletariy is an urban locality (an urban-type settlement) in Novgorodsky District of Novgorod Oblast, Russia, located at the Nisha River close to its mouth, east of Veliky Novgorod. Municipally, it is incorporated as Proletarskoye Urban Settlement in Novgorodsky Municipal District, one of the four urban settlements in the district. Population: