Colchester is a historic town in Essex, England, with a population of over 120,000 people. It is the oldest recorded town in England and has a rich history dating back to Roman times. The town is home to many historic buildings, including Colchester Castle, which is over 900 years old and was originally built by William the Conqueror. The castle now houses a museum with exhibits about the history of the town and its people. Colchester also has a vibrant cultural scene, with a range of museums, galleries, and theatres.