Manchuria /mænˈt͡ʃʊəɹiə/ noun1 •A region of northeastern China comprising the three provinces of Liaoning, Jilin, and Heilongjiang and the northeastern part of Inner Mongolia.The senior Japanese commanders and all ground, sea, air and auxiliary forces within Manchuria, Korea north of 38 north latitude and Karafuto shall surrender to the Commander in Chief of Soviet Forces in the Far East. (General Order No. 1, 1945)