The City of Aurora is a home rule municipality located in Arapahoe, Adams, and Douglas counties, Colorado, United States. The city's population was 386,261 at the 2020 United States Census with 336,035 residing in Arapahoe County, 47,720 residing in Adams County, and 2,506 residing in Douglas County.
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Colorado, a western U.S. state, has a diverse landscape of arid desert, river canyons and snow-covered Rocky Mountains, which are partly protected by Rocky Mountain National Park. Elsewhere, Mesa Verde National Park features Ancestral Puebloan cliff dwellings. Perched a mile above sea level, Denver, Colorado?s capital and largest city, features a vibrant downtown area.

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The U.S. is a country of 50 states covering a vast swath of North America, with Alaska in the northwest and Hawaii extending the nation?s presence into the Pacific Ocean. Major Atlantic Coast cities are New York, a global finance and culture center, and capital Washington, DC. Midwestern metropolis Chicago is known for influential architecture and on the west coast, Los Angeles' Hollywood is famed for filmmaking.

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