屈塔希亚是土耳其的城市，也是屈塔希亚省的首府，位于该国西北部，海拔高度930米，受大陆性气候影响，每年平均降雨量544毫米，2011年人口237,804。

Kütahya (Turkish pronunciation: [cyˈtahja]) is a city in western Turkey with 237,804 inhabitants (2011 estimate), lying on the Porsuk river, at 969 metres above sea level. It is the capital of Kütahya Province, inhabited by some 564 294 people (2011 estimate). The region of Kütahya has large areas of gentle slopes with agricultural land culminating in high mountain ridges to the north and west. The city's Greek name was Kotyaion, Latinized in Roman times as Cotyaeum.