Nantan refers to the southern part of the Tanba area of Kyoto Prefecture, and administratively includes the two cities and one town of Kameoka City, Nantan City and Kyotanba-cho of Funai-gun (former Funai-gun, former Kitakuwada-gun and former Minamikuwada-gun), all of which are located in the central part of Kyoto Prefecture.
南丹（なんたん）とは、京都府の丹波地方南部を指す呼称で、行政区分として京都府中央部の亀岡市、南丹市、船井郡京丹波町の3市町の地域（旧船井郡・旧北桑田郡・旧南桑田郡）をいう。