《汉书·志·地理志下》
从合浦的徐闻向南进入大海，是大州。东西南北方圆千里，武帝元封元年夺取作为儋耳、珠厘郡。
自合浦徐闻南入海，得大州，东西南北方千里，武帝元封元年略以为儋耳、珠厓郡。
From Xuwen County in Hepu, travelling south into the sea, is a large island. It is more than 1,000 miles long from east to west and north to south. In the first year of the Yuanfeng era of Emperor Wu, it was seized and incorporated into the commanderies of Dan'er and Zhulin.