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. Yima City is located in the western part of Henan province. It is located inside Xiaoshan Old Way, with Yangshao Peak to the north and Balcony Loewe to the south. Since ancient times, it was a key road between Luoyang and Changan. It is of great strategic importance, often a battlefield or a place for merchants to trade.