Haikou - earlier written hoihow - (Chinese 海口 市, pinyin Hǎikǒu shì) is a prefecture-level city in the north of Hainan Province in the People's Republic of China and is also the capital and economic center. The administrative area of ​​the city covers an area of ​​2305 and the end of 2004 about 1.71 million inhabitants (residence population, of which principal residence: 1.43 million). The city is located on the largest island of Hainan Dao the group consisting of several islands Hainan Province.