Address: Slavy Avenue, 30, building 1.
Address: Aptekarsky Island, Instrumental Street, building 3.
Prazhskaya, 33 (approximately the corner of Prazhskaya and Turku streets)
The most detailed interactive map of the structures of the Leningrad Fortress, preserved and long lost:
http://www.lendot.ru/ru/maps/osm/