The City of Arvada is a Home Rule Municipality located in Jefferson and Adams counties in the Denver metropolitan area of the U.S. State of Colorado. The Olde Town Arvada historic district is located 7 miles northwest of the Colorado State Capitol in Denver. Wikipedia

Boulder is the county seat and most populous city of Boulder County and the 11th most populous city in the U.S. state of Colorado. Boulder is located at the base of the foothills of the Rocky Mountains at an elevation of 5,430 feet. The city is 25 miles northwest of Denver. Wikipedia