Dien Bien is a city in northwestern Vietnam, known for its historical significance during the First Indochina War. It was the site of the decisive battle in 1954, where Vietnamese forces defeated the French colonial army, leading to the end of French rule in Indochina. The battle at Dien Bien Phu marked a turning point in Vietnam's struggle for independence. Today, the area is a popular destination for tourists interested in history, featuring memorials and museums that commemorate the events of the battle and the resilience of the Vietnamese people.