Yishiha (Chinese: 亦失哈, Wade-Giles: Ishiha or I-shih-ha; also Išiqa or Isiha Jurchen: i ʃï xa) (fl. 1409–1451) was a eunuch in the service of the Ming Dynasty emperors of China who carried out several expeditions down the Sungari and Amur Rivers, and is credited with the construction of the only two Ming Dynasty Buddhist temples ever built on the territory of today's Russia.
Read more about Yishiha: Early Life, Amur Expeditions, Later Career