Halesworth is a small market town and  electoral ward, (population of around 6,000) in the northeastern corner of Suffolk, England. The population was measured at 4,726 in the 2011 Census. It is located south west of Lowestoft, and stands on a small tributary of the River Blyth, 9 miles (14 km) upstream from Southwold. The town is served by Halesworth railway station on the Ipswich–Lowestoft East Suffolk Line. Halesworth is twinned with both Bouchain in France and Eitorf in Germany.