ONEZ.com > China > Hainan > Haikou Basic InformationCountry: ChinaPopulation: 2,873,358 (Wikidata, 2020)Area: 2,304 km² / 890 sq miRegion: HainanCapital of: HainanHeight: 222 m LocationLatitude: 20.02Longitude: 110.32 Where is Haikou located in China?Show map 🗺 ONEZ.com > China > Hainan > Haikou