austin,_texas | country | united_states <tsp> united_states | ethnicgroup | native_americans_in_the_united_states <sep> austin is the capital city of the us state of texas, as well as the seat and largest city of travis county, with portions extending into hays and williamson counties incorporated on december 27, 1839, it is the 10th-most-populous city in the united states, the fourth-most-populous city in texas, and the second-most-populous state capital city it has been one of the fastest growing large cities in the united states since 2010  downtown austin and downtown san antonio are approximately 80 miles (129 km) apart, and both fall along the interstate 35 corridor 
austin.texas is located in the united states where native americans are among the country's ethnic groups.austin is the 10th-most populous city in the united states and the fourth-most populous city in texas