Greek shipping pottery, gold, copper objects far away from their area of provenance attests to this wide-ranging network of shipping transport and trade that existed between the Greek mainland and the Greek islands . The Greeks soon came to dominate the maritime trade in the region, gradually expanding it along the shores of the Mediterranean to Egypt, Phoenicia, Asia Minor, the Black Sea, and establishing colonies. The prowess of the ancient Greek navy was primarily displayed in naval battles during the Persian wars, the Delian League era and the Peloponnesian war. In the following centuries, a large part of the sea trade
Achaea (ancient region) Achaea (ancient region) Achaea () or Achaia (; , "Akhaia", ) was (and is) the northernmost region of the Peloponnese, occupying the coastal strip north of Arcadia. Its approximate boundaries were to the south the mountain range of Erymanthus, to the south-east the range of Cyllene, to the east Sicyon, and to the west the Larissos river. Apart from the plain around Dyme, to the west, Achaea was generally a mountainous region. The name of Achaea has a slightly convoluted history. Homer uses the term Achaeans as a generic term for Greeks throughout the "Iliad"; conversely, a distinct region of