The Gulf of Trieste, which is connected to the Gulf of Venice, Which is connected to the Adriatic Sea.
That is the Adriatic Sea with the Gulf of Venice to the northern end
the adriatic sea, i thinkk
Ocas is on the edge of the Adriatic sea - nest to Albania.
There are not any clear or standard definitions for bodies of water, but in general a gulf is smaller than a sea, but there are exceptions: The Gulf of Mexico is much bigger than the Adriatic Sea.
The Adriatic Sea touches Bosnia, the Adriatic Sea then connects with the Mediterranean sea.
Ancona
Italy is bordered by the Mediterranean: Within this are the Gulf of Genoa, the Tyrrenean Sea & the Adriatic Sea, among others.
Croatia former Yugoslavia
There are actually 4 seas that surround the country of Italy, the Tyrrehenian, the Adriatic, the Ionian, and partially the Mediterranean.
Slovenia is nearest to the Gulf of Venice, which is part of the larger Adriatic Sea. But, these aren't oceans. It is nearest the Atlantic Ocean.
The other name for the Persian Gulf is the Arabian Gulf