High Quality Content by WIKIPEDIA articles! Valencia de Alcántara (Population: 1,689) is a Spanish town near the Portuguese border (District of Portalegre). It is located in Cáceres province. Nuestra Señora de Rocamador is the most important church. Valencia de Alcántara is a very important centre of dolmens in Europe. The Battle of Valencia de Alcántara took place in 1762 as part of the Spanish invasion of Portugal. Portuguese-British troops under John Burgoyne attacked and captured the town, which was a Spanish supply base - setting back the invasion and contributing to the general British victory that year.