Official name : Socialist Republic of Viet Nam Area : 330,900 square kilometres Capital city : Ha Noi Population : 84,402,966 Major cities : Ho Chi Minh City, Da Nang, Hai Phong, Ha Long, Hue, Nha Trang, Da Lat, Can Tho,… Local time : GMT +7 hours Currency : dong (VND), USD 1 ~ VND 16,000)