Nanman was the name that the ancient Central Plains people used to address the tribes south of the Central Plains. Now, it referred to the area around Guangxi and Guangdong. It was the ancient title of Guangxi. Hence, Nanman referred to Guangxi Province.
Dongyi referred to the current south-central part of Shandong Province.
The Northern Barbarians referred to the ethnic groups in northern Hebei, northern Shanxi, northern Shaanxi, Inner Mongolia, the three northeastern provinces, Outer Mongolia, Siberia, and other regions before the Warring States Period. According to the information provided, it was impossible to determine which province the Northern Barbarians corresponded to.
Danzhou is located in Hainan Province. According to document 4 and document 9, Danzhou was also known as Danzhou. It was the fourth prefecture-level city in Hainan Province. It was located in the northwest of Hainan Province and bordered the Beibu Gulf. Therefore, Danzhou was in Hainan Province.
Danzhou City was a prefecture-level city in Hainan Province.
Danzhou City was located in Hainan Province.
Danzhou was a prefecture-level city in Hainan Province.
Danzhou City was a prefecture-level city in Hainan Province.
Danzhou was a prefecture-level city in Hainan Province. It was located in the northwest of Hainan Island and was close to the Beibu Gulf.