China proper, also called Inner China, are terms used primarily in the Western world in reference to the traditional "core" regions of Chinese civilization centered around the Yellow River and Yangtze
The approximate extent of China proper during the late Ming dynasty, the last dynasty of China ruled by the Han people. Liaodong Peninsula was still administered as part of China proper before it was conquered by the Manchus.
Manchuria is a historical region in Northeast Asia encompassing the entirety of present-day Northeast China and parts of the modern-day Russian Far East south of the Uda River and the Tukuringra-Dzhag
China proper
…China proper. There are some minor differences between the extent of Ming China and the extent of the eighteen provinces of Qing China: for example, some parts of Manchuria were Ming possessions belonging to the province of Liaodong (now Liaoning), which is inside the Ming Great Wall; however, the Qing conquered it before…
Hailang River near Hailin City in Heilongjiang
A 12th-century Jurchen stone tortoise in today's Ussuriysk
A Jurchen man hunting from his horse, from a 15th-century ink-and-color painting on silk
Harbin's Kitayskaya Street (Russian for "Chinese Street"), now Zhongyang Street (Chinese for "Central Street"), before 1945