In the 21st year of the Republic of China (A.D. 1932), it was an official township. In the thirty-fifth year of the Republic of China (AD 1946), it was changed to an official town. In the thirty-sixth year of the Republic of China (AD 1947), it merged with Longkun Township to form Guanlong Township. 1990165438+10. With the approval of the State Council, Xinhua District (county level) was established to govern Chengxi Township, Datong, Haiken, Binhai, Zhongshan and Xinhua, with a total of 36 communities and 6 village committees. By the end of 1995, Xinhua District had an area of 5 1.36 square kilometers and a permanent population of 23 1.9 million. Jurisdiction over 5 streets 1 township: Zhongshan Road Street, Xinhua Road Street, Datong Road Street, Binhai Street, Haiken Street and Chengxi Township. China local government's sea route. 1996, Xinhua District is located in the northwest of Haikou City, with Aibo Road to Haixiu Avenue to Longkun South Road in the east, Shugang Avenue in the west, Baishuitang East, Ding Cun, Shapo, Cangdong, Cangxi Village and Qiongshan City in the south, and the coastline along Haidian River and Binhai Avenue in the north. It is 5.63 kilometers wide from east to west, 9.38 kilometers long from north to south, and 4.5 kilometers long in coastline, with a total area of 5 1.36 square kilometers and a total population of 2381000, including non-agricultural population 174064.

June 65438+1October 65438+June 2002, with the approval of the State Council, Qiongshan City and xiuying district, Xinhua District and Zhendong District of Haikou City were abolished, and xiuying district, Longhua District, qiongshan district and Meilan District of Haikou City were established with the original administrative divisions of Qiongshan City and Haikou City. Longhua District governs the administrative area of Xinhua District of Haikou City, the eastern areas of Longqiao Town, Longquan Town, Xinpo Town and Zuntan Town of Qiongshan City, and Xuecun Village and Dayang Village of the attached towns. Longhua District covers an area of 300.6 square kilometers.