Thủ Dầu Một is the capital city of Bình Dương province, Vietnam, located at around 10°58′0″N 106°39′0″E. The city has an area of 118.91 km², with a population of 336.705, and is located 20 km north of downtown Ho Chi Minh City, on the left bank of the Saigon River, upstream from the city.