The Capitol
From Tardis Wiki, the free Doctor Who reference
The Capitol was the home of the Time Lords on Gallifrey. (DW: The Deadly Assassin)
The High Council resided in the Capitol and there was a transmat system that linked the Council's room to the Death Zone. Among other Time Lord buildings on Gallifrey, there was also the Time Lord Academy and the Citadel. (DW: The Five Doctors, The Sound of Drums)
