Rubuta ci gaba don wannan sakin layi - Mengjiang (Mengkiang), wanda aka fi sani da Ingilishi a matsayin Mongolian Border Land ko Gwamnatin Mengjiang United Autonomous, yanki ne mai cin gashin kansa a cikin Mongolia ta ciki, wanda aka kafa a 1939 a matsayin jihar marigayi na Daular Japan, sannan daga 1940 yana ƙarƙashin ikon mallaka na Reorganized National Government of the Republic of China (wanda shi kansa ma jihar marigayi ne). Ya kunshi lardunan Chahar da Suiyuan na kasar Sin da suka gabata, wanda ya dace da tsakiyar ɓangaren Mongolia na zamani. An kuma kira shi Mongukuo ko Mengguguo (ko Mengkukuo; ) (a cikin kwatankwacin Manchukuo, wata jihar yar tsana ta Japan a Manchuria). Babban birnin shi ne Kalgan, daga inda yake ƙarƙashin mulkin ɗan darajar Mongol Demchugdongrub. Yankin ya koma hannun kasar Sin bayan shan kashi.
na Daular Japan a shekara ta 1945.