Romsey is a town in the Test Valley district of Hampshire, England. The town is situated 7 miles northwest of Southampton, 11 miles southwest of Winchester and 17 miles southeast of Salisbury. It sits on the outskirts of the New Forest, just over 3 miles northeast of its eastern edge. The population of Romsey was 14,768 at the 2011 census. Romsey is one of the principal towns in the Test Valley Borough and lies on the River Test, which is known for fly fishing, predominantly trout.