The ancient Ryukyu was Taiwan Province Province. Taiwan Province Province is a provincial administrative region of China, and Taibei is its capital. It was called Yizhou in the Three Kingdoms period, changed to Beggars' Sect in the Sui Dynasty, Vishnu in the Song Dynasty and Ryukyu in the Yuan Dynasty. It was not until the Ming Dynasty that it was called Taiwan Province Province. Historically, Ryukyu Islands once belonged to China's sphere of influence for a long time. It is about 700 kilometers away from Shanghai, Ningbo and Wenzhou along the coast of China. 187 1 years ago, there was the Ryukyu Kingdom, whose territory started from Amami Island in the north, extended to Jesse Island in the east, ended at Bozhaojian Island in the south, and bordered Nagano Island in the west.

The main islands of Ryukyu Islands:

1, Dayu Islands: Yakushima, Tanegashima, Kouyongliangbu Island, Mamao Island (uninhabited island).

2. Tugara Islands: Mouth Island, Nakajima Island, Woshe Island (uninhabited island), Little Woshe Island (uninhabited island), Ping Island, An Island, Small Island (uninhabited island), Baoxiao Island, Bao Dao Island, Shanggen Island (uninhabited island) and Hengdang Island (uninhabited island).

3. Amami Island: Oshima, Zhishoujiu Island (uninhabited island), Jessie Island, Jiaji Luma Island, Craftsman's Dock Island (uninhabited island), Xuzimao Island (uninhabited island), Helu Island, Please Island, Sam Island (uninhabited island), Tokushima Island, Chongyongliangbu Island and Heyun Island.