Water defines much of Vietnam's geography and lifestyle.
* **Rivers:** The **Mekong River** creates a vast, fertile delta in the south, characterized by floating markets and dense agricultural canals. In the north, the **Red River (Sông Hồng)** flows through Hanoi and heavily influences the northern delta's agriculture. The **Perfume River (Sông Hương)** gracefully bisects the historic city of Hue. * **Lakes:** Hanoi is famous for its urban lakes, most notably **Hoàn Kiếm Lake** (Lake of the Returned Sword), the historical heart of the city, and the massive **West Lake (Hồ Tây)**. * **Coastline:** Vietnam boasts over 3,260 kilometers of coastline along the East Sea (South China Sea), featuring world-renowned beaches in Da Nang, Nha Trang, and the tropical island of Phu Quoc.
