Saxmundham is a market town and civil parish in the East Suffolk district, in the county of Suffolk, England. It is set in the valley of the River Fromus about 18 miles (29 km) north-east of Ipswich and 5 miles (8 km) west of the coast at Sizewell. The town is bypassed by the main A12 road between London and Lowestoft. The town is served by Saxmundham railway station on the East Suffolk Line between Ipswich and Lowestoft. In 2011 the parish had a population of 3644.