Chiayi City (sometimes romanized as Jiayi) (Chinese: 嘉義市; Hanyu Pinyin: Jiāyì Shì; Tongyong Pinyin: Jiayì Shìh; Wade–Giles: Chia-i Shih; Pe̍h-ōe-jī: Ka-gī chhī) is a city located in the plains of southwestern Taiwan. Formerly called Kagee during the late Qing Dynasty and Kagi during the Japanese era, its historical name is Tirosen.