by the Qing dynasty. The People's Republic of China, which was founded in 1949 and replaced the Republic of China on the Chinese mainland, has continued to claim essentially the same borders, with the only major exception being the recognition of an independent Mongolia. As a result, the concept of China proper fell out of favour in China.

The Eighteen Provinces of the Qing dynasty still largely exist, but their boundaries have changed. Beijing and Tianjin