Haikou, also known as "Coconut City", is the capital of Hainan Province, the strategic fulcrum city of the National Belt and Road Initiative, and the core city of China (Hainan) Pilot Free Trade Zone (Port), located at 19 3 1'~ 20 04' north latitude and10 east longitude.

Extended data:

Haikou City is located in the north of Hainan Island, bordering Qiongzhou Strait in the north, and facing Hai 'an Town of Guangdong Province by 18 nautical mile. Wenchang city in the east; It borders Wenchang City and Ding 'an County in the south and Chengmai County in the west. Haikou City starts from the old village of Dapo Town in the east and reaches Punan Village of Xixiu Town in the west, with a distance of 60.6 kilometers between the two ends; It starts from Wuchang Village, Dapo Town in the south and reaches the sea in the north, with a distance of 62.5 kilometers between the two ends.

The total area of the city is 3 145.93 square kilometers, including 2,284.49 square kilometers of land area, 8610.44 square kilometers of sea area and 0/36.23 kilometers of coastline.

Baidu encyclopedia-Haikou