5 min. by walking from "Mayakovskaya", "Vladimirskaya", "Dostoevskaya" Underground stations. At the cross of Nevsky and Vladimirsky streets, opposite to the Radisson SAS royal hotel. Entrance from Vladimirsky str., between the "Samsonite" shop and the "Togas" shop, ring button near "BUTTERFLY HOTEL" sign, 3 floor (on the right).