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
São Pedro do Sul, Portugal the 6th century BC, lacking streets of right angles and full of construction almost always circular. One of the Castros in São Pedro do Sul is Castro da Cárcoda. In the region exist several Roman bridges and Roman Thermal Spas. São Pedro do Sul was the southern border of the Kingdom of Portugal at the time of the Foundation of the country, being the natural border the river Vouga that's the reason of the name "Saint Peter of South". The first King of Portugal Afonso Henriques lived in São Pedro do Sul while healing is injuries after the battle of