Yima (simplified Chinese: 义马; traditional Chinese: 義馬; pinyin: Yìmǎ) is a county-level city of Henan, China. It is under the administration of the Sanmenxia city. In 2007, it had a population of 141,532. Yima City is located in the western part of Henan province, located in the Xiaoshan letter Trail, North Yangshao peak, south balcony Loewe.