Manchuria - Extent of Manchuria

Extent of Manchuria

Manchuria can refer to any one of several regions of various size. These are, from smallest to largest:

1. Northeast China (Dongbei): consisting of Heilongjiang, Jilin and Liaoning provinces.
2. Inner Manchuria: the above, plus parts of modern Inner Mongolia (Hulunbuir, Hinggan, Tongliao, and Chifeng divisions);
3. The above, plus Outer Manchuria (Russian Manchuria): the area from the Amur and Ussuri rivers to the Stanovoy Mountains and the Sea of Japan. In Russian administrative terms, Primorsky Krai, southern Khabarovsk Krai, the Jewish Autonomous Oblast and Amur Oblast. These were part of Manchu China according to the Treaty of Nerchinsk of 1689, but were ceded to Russia by the Treaty of Aigun (1858).
4. The above, plus Sakhalin Island, which is generally included on Chinese maps as part of Outer Manchuria, even though it is not explicitly mentioned in the Treaty of Nerchinsk.