Senate Square (Russian: Сенатская площадь), formerly known as Decembrists’ Square (Площадь Декабристов) from the 1920s to 2008, and (formally) as Peter’s Square (Петровская площадь), from 1782 to 1925, is a city square in Saint Petersburg, Russia.It is situated on the left bank of the Bolshaya Neva, in front of Saint Isaac’s Cathedral.
https://en.wikipedia.org/wiki/Senate_Square_(Saint_Petersburg)

