In what country is the is the Kola Superdeep Borehole located?

Russia (At 12,262 Metres Depth It is the Deepest Artificial Point on Earth and was a Project that Began in 1970 to See How Far into the Earth it was Possible to Drill. It is located on the Kola Peninsula and in terms of Vertical Depth it is the Deepest Borehole in the World)