Vũng Tàu (Hanoi accent: [vuŋm˧ˀ˥ taːw˨˩] ( listen), Saigon accent: [vuŋm˧˩˧ taːw˨˩] ( listen)) is the largest city and former capital of Bà Rịa–Vũng Tàu Province in Vietnam. The city area is 140 square kilometres (54 square miles), consists of thirteen urban wards and one commune of Long Son Islet. Vũng Tàu was the capital of the province until it was replaced by the much smaller Bà Rịa city on 2 May 2012. The city is also the crude oil extraction center of Vietnam.