For 10 points, name this Southeast Asian country that contains Ho Chi Minh City and Hanoi.
The ancient capital of this country is bisected by the Perfume River, which has its source in the Annamite Range. The Lake of the Returned Sword, or Hoan Kiem, is found in the capital of this country. The Can Tho Bridge crosses the Bassac River in this country, which is home to the Tay and Kinh ethnic groups. The world's largest cave, the Son Doong, is found in this country, which also contains the UNESCO Word Heritage sites of Ha Long Bay and the city of Hue. The Red River flows through the capital of this country, whose far south contains the Mekong Delta. For 10 points, name this Southeast Asian country that contains Ho Chi Minh City and Hanoi.
The ancient capital of this country is bisected by the Perfume River, which has its source in the Annamite Range.
Socialist Republic of Vietnam [or Cong hoa Xa hoi chu nghia Viet Nam. Accept SRV.]