Mértola (Portuguese pronunciation: [ˈmɛɾtulɐ] ⓘ) is a town and municipality in southeastern Portuguese Alentejo near the Spanish border. In 2011, the population was 7,274, in an area of approximately 1,292.87 …
On the south bank of the Guadiana, before crossing into the city, you have a beautiful view of Mértola, especially with its castle at the top of the hill and the rest of the city spread out over the hill.