After the town of Orihuela inland, Torrevieja is the main town of this district on the coast. The river Segura flows through this region.
Largest cities and towns are: Guardamar del Segura, San Fulgencio, Dolores, Catral, San Isidro, Albatera, Almordi, Rojales, Formentera del Segura, Benijófar, Los Montesinos, Torrevieja, Cox, Granja de Rocamora, Redovan, Jacarilla, Daya, Rafal, San Miguel de Salinas, Orihuela, Bigastro and Pilar de la Horadada.
The Vega Baja is prone to earthquakes, as European and African tectonic plates meet here. In 1829 an earthquake destroyed more than 2,000 buildings, which today due to the modern and earthquake-proof construction can no longer happen.