Austin is the capital of the U.S. state of Texas and the seat of Travis County. It is the 11th-most populated city in the U.S and the 4th-most populated in Texas. It is the fastest growing of the 50 largest US cities and the second largest state capital city in the United States after Phoenix, Arizona.

As of June 1, 2016, Austin had a population of 931,830 (U.S. Census Bureau estimate). Located in Central Texas in the foothills of Texas Hill Country, the city is home to numerous lakes, rivers, and waterways including Lady Bird Lake, Barton Springs, McKinney Falls, the Colorado River, Lake Travis, and Lake Walter E. Long.

 It is the cultural and economic center of theAustin–Round Rock metropolitan area, which had an estimated population of 2,010,860 as of June 1, 2016.