《徐霞客游记·粤西游日记二十六》
大体上恩城州在安平州东北，由安平州向西北到下雷州，一天半可以到达，而向东北到恩城州，走龙英州，这条路须要四天才到达下雷州。
始易骑而轮。盖恩城在安平东北，由安平西北向下雷，南宁属。日半可达；而东北向恩城，走龙英，其路须四日抵下雷焉。
Encheng Prefecture is generally located in the northeast of Anping Prefecture. It takes a day and a half to go from Anping Prefecture to the northwest to Lower Leizhou, and it takes four days to go to the northeast to Encheng Prefecture via Longying Prefecture.