Pokrovka, one of the oldest streets of Moscow, Moscow has become a phenomenon on the number stood at her church, and this is not counting the alleys, like its name, it dawned on coming here in many churches. And the name she received from the Holy Protection Church, founded in XIV century on the site of the house on N 2 Maroseika and disbanded at the end of XVIII century. In the old days was a single Pokrovka street, and only when there was formed Ukrainian farmstead, a segment of Pokrovka Ilyinskikh gate to Armenia (Stolpovski) alley began to call Maroseyka. Rather Protection Church, too, with the end of XIV century was Nikola's Church, in Blinnikov. Then came Petroverigsky temple, raised in honor of the wedding of Ivan the Terrible in the kingdom and left a name of a local street, surviving church Cosmas and Damian, the Assumption of Pokrovka, Trinity Gryazeh, Resurrection in Barash, and finished outside the temple of the Beheading of John the Baptist, which has remained bell on Zemlyanoy shaft. Assumption Church was only one temple of this magnificent church in abundance, but the most unique.
http://www.pravoslavie.ru/jurnal/573.htm