Chelmsford is a historic market town located in the county of Essex, England. The town is situated on the River Can, a tributary of the River Thames, and is located approximately 30 miles northeast of London. Chelmsford is often considered to be the "Gateway to Essex" and is the main commercial and administrative center of the county. The town has a population of approximately 110,000 and is a popular destination for shopping, dining, and nightlife. Chelmsford is home to a variety of historic landmarks, including the 12th century Chelmsford Cathedral and the ruins of nearby Bishopsgate. The town is also home to a variety of sports and recreational facilities, including a golf course, a cricket club, and several parks and nature reserves.