Centro Region, Portugal known as the Princes of Beira. Along the region’s mountainous border with Spain are a series of fortresses and castles that once protected the country from its many invaders. Over the centuries, Moors, Christians, Spaniards and Portuguese have all tried to take these villages, but their higher elevations usually gave them a distinct advantage. On that border, the more than one dozen fortified frontier villages beckon today’s visitors to come explore a 900-year history — full of the heroism, epic battles and romance upon which Portugal struggled to become a nation. Today, Portugal boasts the longest-standing border in all of
Border of Granada other municipalities in the Huelva province, which include ""de la Frontera"" in their names. However, these do not refer to the Border of Granada border, but to the border with Portugal. This is the case with Rosal de la Frontera and Palos de la Frontera. The first frontier was defined by the Pact of Jaén in 1246 between Muhammad I "ibn al-Ahmar", first king of Granada, and King Fernando III 'El Santo', following extensive conquests by the latter in the valley of the Guadalquivir. The border then went through modifications during the reigns of Sancho IV, Fernando IV and Alfonso