Tsaritsyn
is really Square of the Fallen Fighters, Volgograd, Volgograd Oblast
Real place, reimagined

Real world image coming soon
In the game
An urban map of the Russian Civil War battle for Tsaritsyn, Bolsheviks against the Whites in barricaded streets.
The real place
Tsaritsyn was fought over by Reds and Whites in 1918-1920 and later renamed Stalingrad, then Volgograd.
Visiting
The square is in the city centre near the Volga; check your government's travel advice for Russia first.