Cát Hải District
Cát Hải is a rural district of Hai Phong, the third largest city of Vietnam. It includes the old Cát Bà town since 1977.
As of 2018 the district had a population of 43,187. The districts covers an area of. The district capital lies at Cát Hải.
The island is subject to major land developments. Vinfast is building an automobile factory on the southern half of the island, and
Sun Group is developing a holiday resort on the northern half. A 5.44 km long bridge - the longest sea crossing in Vietnam - connects the island to Hai Phong.
