Largest cities
Ho Chi Minh 7,005,000 pop., 14,953,000 urban aggl.
Hanoi 3,605,000 pop., 6,359,000 urban aggl.
Da Nang 989,000 pop., 1,366,000 urban aggl.
Haiphong 842,000 pop., 1,310,000 urban aggl.
Can Tho 812,000 pop., 887,000 urban aggl.
Highest mountains
Fan Si Pan 3,143 m (10,312 ft)
Longest rivers
Mekong 4,350 km (2,703 mi) total, 220 km (137 mi) in Vietnam
Red River 1,180 km (733 mi) total, 495 km (308 mi) in Vietnam
Black River 910 km (565 mi) total, 527 km (327 mi) in Vietnam
Largest lakes
Ba Be Lake 6.5 kmē (2.5 sq mi)
Largest islands
Phu Quoc 574 kmē (222 sq mi)
Cai Bau 172 kmē (66.5 sq mi)
Cat Ba 140 kmē (54 sq mi)