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San Antonio is the county seat of Bexar County. With a population of around 1.4 million, at last count, San Antonio is the 2nd largest city in Texas and the 7th largest in America. San Antonio is located in the northern part of the South Texas Plains Region, on the southern border of Texas Hill Country.

San Antonio was named after a Portuguese saint named Saint Anthony. A Spanish Expedition stopped in the San Antonio area on Saint Anthony's Feast Day of June 13, 1691 and somehow that evolved into this location being called San Antonio.

Map of San Antonio Texas Area


San Antonio's climate is humid sub-tropical, with the weather being either dry or humid, depending on which way the wind is blowing.. Summers are hot, winter can be cool, with cold fronts blowing in from the north. San Antonio gets around a dozen below freezing days a year.

Map of Downtown San Antonio &
River Walk Area
Map of Downtown San Antonio & Riverwalk

San Antonio International Airport is in north central San Antonio, about 8 miles from downtown. There are 2 terminals serving 21 airlines heading to 43 destinations, including 3 in Mexico.

Amtrak's Texas Eagle passes through San Antonio's Amtrak Station daily provided rail service to Chicago and points along the way. Three times a week Amtrak's Sunset Limited passes through San Antonio, in each direction, between Orlando and Los Angeles.

San Antonio has a mass transit system consisting of a bus and streetcar system run by VIA Metropolitan Transit (VIA). VIA has 84 bus routes and 3 downtown streetcar routes, including express service to park and ride locations with service to attractions like Six Flags Fiesta, SeaWorld and the University of Texas at San Antonio (UTSA).

  • Interstate 10 (aka McDermott Freeway) passes through San Antonio, heading west to El Paso, Phoenix and on to Los Angeles, heading east through Houston on its way to Jacksonville, Florida.

  • Interstate 35 (aka Pan-Am Expressway) takes you south to Laredo, north to Austin, Fort Worth/Dallas, Oklahoma City and Minneapolis.

  • Interstate 37 (aka Lucian Adams Freeway) goes from San Antonio via its junction with U.S. Highway 281 south, on into Corpus Christi via its junction with U.S. Highway 77 south, to its end at Corpus Christi Bay.

  • Interstate 410 is a 53 mile beltway around San Antonio.

  • U.S. Highway 90 (aka Cleto Rodriguez Freeway) goes through Del Rio to its end intersecting with I-10 in Van Horn.

San Antonio has around 136 miles of bike paths, including bike lanes on roads and off-road paths. In 2010 San Antonio began a bike sharing program, starting off with 140 bikes at 14 locations.

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