Ulldecona is a town in the South of Catalonia, in Montsià (Terres de l'Ebre), near the Senia River. Ulldecona is part of the Taula del Sénia free association of municipalities. It has got town privileges since 1273.The nearest towns are: Alcanar, Sant Carles de la Ràpita, Freginals, Godall, La Galera, Mas de Barberans and La Sénia in the Montsià region; and Vinaròs, Traiguera, Sant Jordi and Sant Rafel del Riu in Baix Maestrat.