Eastwood is a suburb of the city of Southend-on-Sea, in the ceremonial county of Essex, England. It was formerly a civil parish, the main part of which was absorbed into the municipal borough of Southend-on-Sea in 1933. It is bordered by Rayleigh to the west, Rochford to the north-east, and Belfairs, part of Leigh-on-Sea, to the south. To the north lies Edwards Hall Park, a large area of open countryside, part of which is farmland.