The Roadmap to Ryukyu (Liu Qiu Guo Hai Tu)

This map appeared in Records of the Imperial Title-Conferring Envoys to Ryukyu (Shi Liu Qiu Lu) written by imperial title-conferring envoy Xiao Chongye in 1579 (the 7th year of the reign of Emperor Wanli of the Ming Dynasty). The map shows that the mission passed Diaoyu Dao on their way to Ryukyu.