Savannakhet is the capital of Savannakhet Province, Laos. It sits on the Mekong River, bordering Thailand. The city is also known as Kaysone Phomvihane, the name of the 20th-century president who was born here. The riverside Xayaphoum Temple, with its traditional curved roof, has an adjacent monastery. Northeast, the centuries-old That Ing Hang stupa is a carved monument thought to contain Buddhist relics.