13 10 During the Yuan Wuzong period, the Wokuotai khanate was divided between the Yuan Dynasty and the Chahetai khanate, and the Yuan Dynasty acquired the Moxi territory of the Wokuotai khanate, with a land area of13.72 million square kilometers (the northern Xinjiang is bounded by 55 north latitude). If the northern Xinjiang extends to the Arctic Ocean, it will be 22.67 million square kilometers.
The territory of the Yuan Dynasty started from the Sea of Japan in the east, the South China Sea in the south, Tianshan Mountain in the west and Lake Baikal in the north. "History of the Yuan Dynasty" "The quicksand in the left and west of Liao is exhausted in the east, and the Yinshan Mountain in the north crosses the sea in the south, which is not as good as that in Han and Tang Dynasties". The whole country is divided into Gyeonggi area directly under the jurisdiction of Zhongshu Province (that is, parts of southern Hebei, Shandong, Shaanxi and Shaanxi), Tubo area under the jurisdiction of Zheng Xuan Institute (formerly known as General Institute), and ten Zhongshu provinces, namely Lingbei Province, Liaoyang Province, Gansu Province, Shaanxi Province, Jiangbei Province of Henan Province, Huguang Province, Sichuan Province, Yunnan Province and Jiangsu and Zhejiang Province.
Extended data:
1279, Yuan Shizu conquered and destroyed China in the Southern Song Dynasty. According to the records in the Atlas of Chinese History, Handi, Monan, Mobei, Northeast (including Outer Manchuria and Sakhalin Island), Dongjiang (according to Tarim Basin, it reached Qingji in the west in the early Yuan Dynasty), Qinghai-Tibet Plateau, Penghu Islands, Jeju Island and South China Sea Islands were all within the jurisdiction of the Yuan Dynasty.
The vassal states of the Yuan Dynasty were Korea, Myanmar, Annan, Zhancheng and the four great khanates. Among them, there are two directly subordinate vassal States, namely, the Koryo Dynasty and the Bagan Dynasty in Myanmar, which are divided into the eastbound province and the central province in Myanmar.
References:
Baidu Encyclopedia-Yuan Dynasty