奥什是吉尔吉斯斯坦第二大城市，亦是奥什州的首府，位于吉尔吉斯南部，在费尔干纳盆地东南端，阿克布拉河出山口附近。人口约有50万。

该城在汉代被称为“贰师”，城名在《西域图志》中写作“鄂什”，在《西域水道记》中写作“乌什”，还有卧什、鄂斯等写法。此外，中国民族史学家刘义棠认为，《元史》中提到的“倭赤”，即如今的奥什。

Osh (Kyrgyz:Ош) is the second largest city in Kyrgyzstan, located in the Fergana Valley in the south of the country and often referred to as the "capital of the south". It is the oldest city in the country (estimated to be more than 3000 years old), and has served as the administrative center of Osh Region since 1939. The city has an ethnically mixed population of about 255,800 in 2012, comprising Kyrgyz, Uzbeks, Russians, Tajiks, and other smaller ethnic groups.