Colorado - the west central state, one of the so-called Mountain states. Colorado is bordered by Wyoming and Nebraska (at the north), by Kansas (at the east), by Oklahoma, New Mexico and Arizona (at the south), by Utah (at the west). Colorado - eighth state by the area of U.S. state, its area is 269,837 km ². The population of the state is 4.6 million people. The capital and largest city is Denver. Other major cities - Colorado Springs, Fort Collins, Arvada, Pueblo, Westminster, Boulder, Englewood. Colorado - was formed in August 1, 1876, when the our country celebrated its centennial. The official nickname of Colorado - Centennial State. Colorado - one of three states (along with Wyoming and Utah), all of whose boundaries are the parallels and meridians, and, like Wyoming, forms just a "box" (or rather, the sector of the earth's surface) between a pair of latitude and longitude pair. The area occupied by the Colorado Territory - 269.8 thousand sq km. 37 percent of the territory occupied by the Colorado national parks.