The abbreviation for the state Colorado is CO.
Encompassing most of the southern Rocky Mountains, Colorado is a state in Western America. Colorado is the 21st most populous state and the 8th largest by size. Denver is the capital of Colorado and is known locally as ‘Mile High City’ because it sits precisely one mile above sea level. It is also famous for being the city that invented the cheeseburger! The largest region in Colorado is Colorado Springs which enjoys in excess of 300 days of sunshine annually. Colorado is known for the manufacture of computing and communication technology and beer brewing.