Vega Baja del Segura (; ), simply known locally and regionally as Vega Baja (in Spanish), is a comarca in the province of Alicante, Valencian Community, Spain. The region is only Spanish-speaking, except Guardamar del Segura where Valencian is the traditional local language.
To the north its neighbouring comarcas are the Baix Vinalopó and Vinalopó MitjÃÂ. Its southern limits are also those of the Valencian Community as it meets a different autonomous community, the Region of Murcia.
The comarca is composed