Vietnam has a coastline of 3,260 miles and borders the Gulf of Thailand, Gulf of Tonkin, and South China Sea, alongside China, Laos, and Cambodia. As a coastal country, Vietnam has many major seaports, including Cam Ranh, Da Nang, Hai Phong, Saigon (Ho Chi Minh City), Hong Gai, Qui Nhơn, Vung Tau and Nha Trang. Its network of rivers plays a key role in rural transportation, with over 11,000 miles of navigable waterways for ferries, barges and water taxis. Most of Vietnam's population lives along or near the Mekong Delta and Red River Delta, and the major cities of Saigon (Ho Chi Minh City) and Hanoi are situated near the Mekong and Red River deltas, respectively.