Guardamar del Segura (Valencian pronunciation: [ˌɡwaɾðaˈmaɾ ðeɫ seˈɣuɾa]) or briefly Guardamar is a municipality of the province of Alicante located at the mouth of the river Segura in southern Valencia (autonomous community), Spain. It is a Mediterranean resort, with a large pine forest abutting an 11-km-long white sand beach. Historically an area of fishermen and farmers, Guardamar del Segura is the southernmost point where Valenciano (a dialect of Catalan) is spoken.