Urban planning and compositional features of different territories of historical center of Saint Petersburg

A system of parameters is determined for each of the studied areas of the historical center of Saint Petersburg (a fragment of the core of the historical center of the 18^th century in the area of Morskaya Streets, a fragment of the historical center of the 19^th century in the area of Troitskaya Street, a fragment of the periphery of the historical center of the second half of the 18^th - early 20^th centuries in the area of Malaya Kolomna) and their comparative analysis was carried out, the identity of the architectural and planning organization of the zones was revealed.