San Antonio, Texas
San Antonio is the seventh-largest city in the United States of America
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and the second-largest city within the state of Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

, with a population of 1.33 million. Located in the American Southwest
Southwestern United States
The Southwestern United States is a region defined in different ways by different sources. Broad definitions include nearly a quarter of the United States, including Arizona, California, Colorado, Nevada, New Mexico, Oklahoma, Texas and Utah...

 and the south–central part of Texas, the city serves as the seat
County seat
A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States....

 of Bexar County
Bexar County, Texas
As of the census of 2000, there were 1,392,931 people, 488,942 households, and 345,681 families residing in the county. The population density was 1,117 people per square mile . There were 521,359 housing units at an average density of 418 per square mile...

. In 2011, it was estimated to be the 24th largest metropolitan area in the U.S.