Bolshaya Pokrovskaya Street Bolshaya Pokrovskaya Street is the high street in the historical center of Nizhny Novgorod and one of its oldest streets. Until 1917 it was considered a street for noblemen. Formed the main street of the city by the end of the 18th century. It is considered an analog of the Arbat in Moscow or 6-7 Lines of Vasilyevsky Island in St. Petersburg.