Church of Amposta Monument · Amposta, Montsià, Tarragona The church of Amposta is found in the capital of the Montsià, protected in the 16th century by a line of defensive towers facing the coast — Sant Joan, Futxeron, la Carrova, l'Oriola and Poquessalses — built after the corsair landing that took the town in 1540. Photo: Lohen11-Josep Renalias (CC BY-SA 3.0) What to see and do in Amposta