The document provides information about the region of Calabria in Southern Italy. It notes that Calabria has over 800 km of coastline on the Ionian and Tyrrhenian Seas. The seas have played an important role in the region's history and economy. They have been used for trade, transportation, fishing and tourism. Underwater archaeology along the coast has also revealed many artifacts from Greek colonization in ancient times. The document highlights how the seas continue to be important for the region's communication, recreation, and receipt of immigrants arriving by boat from Africa and the Middle East.