Adriatic Sea Adriatic Sea The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Sea) to the northwest and the Po Valley. The countries with coasts on the Adriatic are Albania, Bosnia and Herzegovina, Croatia, Italy, Montenegro and Slovenia. The Adriatic contains over 1,300 islands, mostly located along its eastern, Croatian coast. It is divided into three basins, the northern being the shallowest and the southern being the deepest, with a maximum depth of
Gulf of La Spezia Gulf of La Spezia The Gulf of La Spezia (Italian: "Golfo della Spezia" or "Golfo dei poeti") is a body of water on the north-western coast of Italy and part of the northern Tyrrhenian Sea, specifically of Ligurian Sea. It measures some 4.5 (length) by 3-3.5 (width) kilometers. The gulf is named for the Italian city of La Spezia, located at its middle point, which is also the main military and cargo port in the gulf, including several arsenals of the Italian Marina Militare. At the gulf extremities are the two tourist resorts of Lerici (western) and Porto Venere (eastern).