San Antonio–New Braunfels is an eight-county metropolitan area in the U.S. state of Texas defined by the Office of Management and Budget (OMB). Colloquially referred to as , the metropolitan area is situated in the American Southwest, in South-Central Texas, and on the southwestern corner of the Texas Triangle. The official 2011 U.S. Census estimate showed the metropolitan area's population at 2,194,927—up from a reported 1,711,103 in 2000—making it the 25th largest metropolitan area in the United States. Austin–Round Rock lies about 80 miles northeast of Greater San Antonio.