Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since 2010. Colorado Springs is the second-most populous city and the most extensive city in the state of Colorado, and the 40th-most populous city in the United States. It is the principal city of the Colorado Springs metropolitan area and the second-most prominent city of the Front Range Urban Corridor. It is located in east-central Colorado, on Fountain Creek, 70 miles (113 km) south of Denver.
Alashankou, which belongs to Bortala Mongolia Autonomous Prefecture of Xinjiang Uygur Autonomous region, is built according to Alashan pass. It is located between Alatao Mountain and Baruch Mountain, bordering Kazakhstan in the north, Tali County in Tacheng area in the east, Abby Lake in the south and Bole City in the west. It is 79 kilometers away from the state capital Bole, 477 kilometers away from Urumqi by railway and 500 kilometers by road, and 12 kilometers away from the adjacent Dosterk port in Kazakhstan. The total area of the city is 1204 square kilometers. It has jurisdiction over Ala Street and Ebinur Lake Town, with a permanent population of 11000. In May 2011, the State Council approved the establishment of Alashankou Comprehensive Free Trade Zone. In December 2012, Alashankou City was established. In 2014, the local GDP of Alashankou City reached 4.27 billion yuan, an increase over the same period in 2013.