| Xinghai County | |
| Native Name: | Chinese: 兴海县 · |
| Postal Code: | 813300 |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | Qinghai |
| Pushpin Label: | Xinghai |
| Pushpin Map Caption: | Location of the seat in Qinghai |
| Coor Pinpoint: | Xinghai government |
| Coordinates: | 35.5894°N 99.9894°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qinghai |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Hainan |
| Seat Type: | County seat |
| Seat: | Zigortang |
| Area Code: | 0974 |
| Area Total Km2: | 13158 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Population Total: | 75833 |
| Population Footnotes: | [1] |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Order: | st |
| S: | 兴海县 |
| T: | 興海縣 |
| P: | Xīnghǎi Xiàn |
| Tib: | or |
| Wylie: | brag dkar rdzong or zhin he rdzong |
| Zwpy: | Xinhê Zong or Zhaggar Zong |
Xinghai County (;) is a county under the jurisdiction of Hainan Tibetan Autonomous Prefecture, in the east-central part of Qinghai Province, China.
Xinghai has an area of 13158km2, and a 2001 population of .
Xinghai is made up of 3 towns, and 4 townships.
| Name | Simplified Chinese | Hanyu Pinyin | Tibetan | Wylie | Administrative division code | |
|---|---|---|---|---|---|---|
| Towns | ||||||
| Zigortang Town (Ziketan) | Chinese: 子科滩镇 | 632524100 | ||||
| Hoika Town (Heka) | Chinese: 河卡镇 | 632524101 | ||||
| Qu'ngoin Town (Qushi'an) | Chinese: 曲什安镇 | 632524102 | ||||
| Townships | ||||||
| Qukoi Township (Tsigorthang,[2] Wenquan) | Chinese: 温泉乡 | 632524200 | ||||
| Lungsang Township (Longzang, Longcang) | Chinese: 龙藏乡 | 632524201 | ||||
| Zhongtü Township (Zhongtie) | Chinese: 中铁乡 | 632524202 | ||||
| Tangnag Township (Tangnaihai) | Chinese: 唐乃亥乡 | 632524203 | ||||