Kan-Chow

 was an ancient city in Cathay, near Su-Chow. It was located near the of the beginning of the western side of the Great Wall of Cathay.

In 1289, the First Doctor, Susan, Barbara, and Ian visited Su-Chow, having also most recently journeyed through Su-Chow with Marco Polo, on their journey to the court of Kublai Khan. Their next stop would be Lan-Chow, in the south. (TV: "The Wall of Lies")

Behind the scenes

 * The journey through Kan-Chow was only mentioned in Marco Polo's narration. As such, Kan-Chow is never actually seen in the serial itself.
 * Kan-Chow (modern spelling Ganzhou) is now known as in the real world.