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
Moldova–Ukraine border Moldova–Ukraine border The modern Moldova–Ukraine border, the official border between Republic of Moldova and Ukraine, was established after the dissolution of the Soviet Union. The length of the inland border is , of which , is fluvial (i.e., along rivers) and , is land border. About , of it constitutes the "de facto" border between Ukraine and the unrecognized breakaway republic of Transnistria. The border runs from the northern Romania-Moldova-Ukraine tripoint in the northwest of the country, , from the Ukrainian village and border crossing of Mamalyha, Ukraine to Criva, Briceni, Moldova. It runs east until the city and border