The Tijuana metropolitan area, and in Spanish the Zona Metropolitana de Tijuana, is located on the Pacific Ocean in Mexico. According to the 2005 census, the Tijuana metropolitan area was the sixth-largest in Mexico, with a population of 1,483,992. The 2010 Census placed the Tijuana metropolitan area at 5th largest in the country with 1,751,302 persons. The census bureau defined metropolitan area comprises two municipalities: Tijuana and Rosarito Beach. Yet sources commonly include Tecate Municipality in the metropolitan area as the urban area between Tijuana and Tecate grows, the commuting populace increases - ultimately further developing the southern areas of San Diego–Tijuana, and the three municipalities maintain strong relationships and cooperation.