OSTROVSKOGO SQUARE known as Alexandrinskaya Square before 1923, between Nevsky Prospect and Zodchego Rossi Street. It was renamed after playwright A. N. Ostrovsky (1823-86). The square was designed by architect K. I. Rossi in 1816-34 on the territory of Anichkov Palace between Sadovaya Street and Fontanka River Embankment. The National Library of Russia is the main Building on Ostrovsky Square)