Hadleigh is a town located in the county of Essex, England. It is part of the unitary authority of Southend-on-Sea and is known for its historical significance and picturesque landscapes. The town features a mix of residential areas, parks, and local shops, making it a pleasant place for both residents and visitors. One of the notable landmarks in Hadleigh is the Hadleigh Castle, which dates back to the 13th century. The castle offers stunning views of the surrounding countryside and is a popular spot for walking and exploring. Additionally, Hadleigh is close to the Thurrock area and the Southend-on-Sea seaside, enhancing its appeal as a destination.