Haiphong

Haiphong or Hai Phong is the third-largest city in Vietnam, with an area of 3,194.72 km2 (1,233.49 mi2). It includes Bạch Long Vĩ and Cát Hải islands in the Gulf of Tonkin. Haiphong has a population of 4,664,124 in 2025. Haiphong holds the historical distinction of being the first city in both Vietnam and Mainland Southeast Asia to be electrified.