From TNOpediA

The Mengjiang United Autonomous Government is a Japanese puppet state in Inner Mongolia. They border the Republic of China, Jinsui Adminstrative Office and Seihoku Homengun to the south, People's Revolutionary Council and Oyrotia to the west, Manchukuo to the east; and Buryatia and Chita to the north. They are a member of the Co-Prosperity Sphere.