The Catherine Palace is the central site of the town of Tsarskoye Selo (Puskin), located on the southern region of St. Petersburg, in Russia. It is famously known as the summer vacation residence of the Russian Imperial Family housing the Tsar, until their dissolution by the Bolshevik Party. The Palace is also featured in the Don Bluth's animated film Anastasia as the residence of the Romanov family, and formely to the mad monk Rasputin. In the present events of the film, the Catherine Palace is used as the lair of con artists like Dimitri and Vladimir before it is abandonded for the journey to France.
Regarding the villain tournaments, the Catherine Palace appears as the main site of St. Petersburg with the location from the Don Bluth's film being used to represent the palace's existence.