Southern Taiwan GuideThe South of Taiwan HotelsFind hotels in Kaohsiung, Tainan, Alishan, Baihe Township and more. KaohsiungKaohsiung) is, with over 2.7 millions of inhabitants, the second most populated city in Taiwan after New Taipei and is located in the south of the island. TainanTainan is a city in south west Taiwan. Tainan is the oldest city in Taiwan and was the capital during imperial times. AlishanAlishan National Scenic Area is in Chiayi County, southern Taiwan. Alishan — "Mount Ali" — is Taiwan's most-visited national park. Chiayi CountyChiayi County is in the south of Taiwan. Pingtung CountyPingtung County is in the south of Taiwan reaching down to its extreme southern tip.