- Hainan Province, in the South China Sea, short name 瓊|琼[Qiong2], capital Haikou 海口
- Hainan Island
- Hainan District of Wuhai City 烏海市|乌海市[Wu1 hai3 Shi4], Inner Mongolia
- Hainan Tibetan Autonomous Prefecture 海南藏族自治州[Hai3 nan2 Zang4 zu2 Zi4 zhi4 zhou1], Qinghai