X
- (Wenchang Shi) Xiancha
- (Wenchang Shi) Xinshi
- (Haikou Shi) Xinqiong
- (Haikou Shi) Xianxu
- (Wenchang Shi) Xinzhai
- (Wenchang Shi) Xiashuizheng
- (Haikou Shi) Xikeng
- (Wenchang Shi) Xinfeng
- (Wenchang Shi) Xinjing
- (Wenchang Shi) Xishan
- (Wenchang Shi) Xiachang
- (Wanning Shi) Xipo
- (Wanning Shi) Xinglong Erqu
- (Lingshui Li Autonomous County) Xinpo
- (Lingshui Li Autonomous County) Xinxing
- (Lingshui Li Autonomous County) Xinhua
- (Lingshui Li Autonomous County) Xiangshui
- (Sanya Shi) Xiegui
- (Sanya Shi) Xiangtu
- (Sanya Shi) Xiada’e
- (Qionghai County) Xicun
- (Qionghai County) Xinhua
- (Wuzhishan City) Xinfeng
- (Baoting Li and Miao Autonomous County) Xipo
- (Ding'an County) Xiayuan
- (Ding'an County) Xishan
- (Baoting Li and Miao Autonomous County) Xinxing
- (Ding'an County) Xinlian
- (Qiongzhong Li and Miao Autonomous County) Xinlian Yicun
- (Lingshui Li Autonomous County) Xiaomei