Throughout the times locals learned the importance of its hills for their villages to be protected from invaders and pirates.
Neverteless Celts, Cempsis, Phoenicians, Romans, Sarmatians, Alans, Vandals, Suebis, Visigoths, Berbers and Arabs (Moors) made their way into Continental Portugal.
Until present days many archeological remains are still visible. After Lisbon conquest to the Moors in 1147 by Portugal's first King Dom Afonso Henrique Lisbon gradually took its place in the new Kingdom.
Lisbon takes its name from Phoenician Allis Ubbo (safe harbour), Latin Ulyssippo (Ulysses) and Olissipona for the Tagus River.