<Tr> <Th> Geographic Names Information System feature ID </Th> <Td> 1455098 </Td> </Tr> <Tr> <Th> Website </Th> <Td> St. George, Utah </Td> </Tr> <P> St. George is a city in and the county seat of Washington County, Utah, United States . Located in the southwestern part of the state on the Arizona border, near the tri-state junction of Utah, Arizona and Nevada, it is the principal city of the St. George Metropolitan Statistical Area . The city lies in the northeasternmost part of the Mojave Desert adjacent to the Pine Valley Mountains near the convergence of three distinct geological areas: the Mojave Desert, Colorado Plateau, and Great Basin . The city is 118 miles northeast of Las Vegas and 300 miles south - southwest of Salt Lake City on Interstate 15 . The city is named after George A. Smith, a Church of Jesus Christ of Latter Day Saints Apostle . St. George and its surrounding metropolitan area is well - known for its natural beauty and proximity to several state and national parks, including Zion . </P> <P> As of the 2015 U.S Census estimates, the city had a population of 80,202, and the St. George metropolitan area had an estimated population of 155,600 . St. George is the seventh - largest city in Utah and the most populous city in the state outside of the Wasatch Front . </P>

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