Located in: [[Mediterranean Sea]]. The [[Adriatic Sea]] is a body of water separating the [[Italy|Italian Peninsula]] from the [[Balkans|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 border between [[Slovenia]] and [[Italy]]. The countries with coasts on the Adriatic are [[Albania]], [[Bosnia and Herzegovina]], [[Croatia]], [[Italy]], [[Montenegro]], and [[Slovenia]].