Southsea is a seaside resort and a geographic area of Portsmouth, Portsea Island in the ceremonial county of Hampshire, England.Cosham Suburb Photo: Michael Ford, CC BY-SA 2.0. Cosham is a northern suburb of Portsmouth lying within the city boundary but off Portsea Island, in the ceremonia...
Portsmouth, city and unitary authority, geographic and historic county of Hampshire, England. It is a major naval base and, with Southsea, a popular holiday resort. Portsmouth lies on Portsea Island, a narrow peninsula that separates two inlets of the En