3
All of them worldwide except the Mediterranean and Black Seas.
Thrace
The Greece need the sea to survive because the need water to drink and to wash their clothes
Um..it was seas and oceans { mostly seas}
The four seas that border Greece are as follows in no particular order: Ionian Sea, Sea of Crete, Aegean Sea, and the Mediterranean Sea.
The Meditteranean Sea, The Aegan sea and the Ionian sea.
Mediterranean, Ionian, Agean, Sea of Crete
The Mediterranean Sea, the Ionian Sea and the Aegean Sea.
Bodies of water that border Greece include (i) the Aegean Sea to the east and (ii) the Ionian and Mediterranean Seas to the west and south.
Principally the Black and Mediterranean Seas. Also Greece, Syria, Iraq, Iran, Bulgaria, Georgia, Armenia.
To the best of my knowledge, the major seas surrounding Greece are the Adriatic Sea in the west, the Mediterrenean Sea to the south, and the Aegian Sea to the east. There may be some regions of those seas that have been separately named, but I am unaware of them, if there are.
Principally the Black and Mediterranean Seas. Also Greece, Syria, Iraq, Iran, Bulgaria, Georgia, Armenia.
It made Greece focus on important aspects of sea based warfare such as ship construction and keeping an active naval force.
Moving clockwise from due north of Greece, the countries and seas that border Greece are: [north] (FYRO) Macedonia, Bulgaria, [northeast] Turkey, [east] the Aegean Sea, [southeast] the Sea of Crete, [south] the Mediterranean Sea, [west] the Ionian Sea, and [northwest] Albania.
Aegean, Mediterranean, and Adriatic are the three main seas bordering greece.
if you mean the seas of 3 different oceans then only Canada russia France Britain & the united states but if you just mean 3 differently named seas then many more countries would qualify