Skale

Skale was a planet inhabited by humanoids who had two hearts and were otherwise physiologically similar to the Time Lords.

Geography
The planet was divided into Parallels (equivalent to countries), there were at least 67 Parallels, all of which were hostile to each other. The Northern Waters was an ocean on Skale that bordered Parallel 59, Great City was the capital of Parallel 59. (EDA: Parallel 59)