Adriatic
The sea that is located in between the countries of Italy and Yugoslavia is called the 'Adriatic Sea'. In reality it's an arm of the Mediterranean Sea, and it coasts with the following countries: Italy, Albania, Croatia, Bosnia-Herzegovina, Montenegro and Slovenia.
There is no sea between Serbia and Italy. When Serbia was part of Yugoslavia, sea between Yugoslavia and Italy was called Adriatic sea. Today, 4 former Yugoslav republics lies on Adriatic coast: Slovenia, Croatia, Bosnia and Herzegovina and Montenegro. So, your question could be: What is the sea between Slovenia and Italy (or Croatia and Italy for example), and than the answer would be : Adriatic sea.
The Adriatic Sea is east of Italy and west of Yugoslavia and Albania.
The Mediterranean Sea
Italy and [The former country of] Yugoslavia are separated by the Adriatic Sea
The Mediterranean sea
this is called the Adriatic Sea
The Mediterranean Sea is between Italy and Libya. Italy is located to the north of the sea and Libya is located south of the sea.
The Mediterranean Sea is between Italy and Libya. Italy is located to the north of the sea and Libya is located south of the sea.
the ADRIATIC SEA is west of Yugoslavia
the ADRIATIC SEA is west of Yugoslavia
Italy is in Europe.