Geography Question - Bodies of Water #1?

Geography Question - Bodies of Water #1?

Here is the first in a new series of Geography questions... with a different category each day.

Monday - Bodies of Water
Tuesday - Buildings and Structures
Wednesday - Mountains
Thursday - Where Did It Happen?
Friday - Bridges
Saturday & Sunday - Random category

Today's category is Bodies of Water.

Can you name this Body of Water?

Here are your clues:
* Its water is salty
* Its max depth is 1233m (4045ft)
* It is borderd by 6 countries
* It does not freeze in winter
* Its name comes from Illyrion meaning "water, sea"

Please don't cheat by looking it up or seeing what others are posting.

Make your guess in the opions below.

The correct answer will be given in a few days (Wednesday).

Good luck!

Updates
1 y
Thanks to everyone who played.

The correct answer is ADRIATIC SEA, which is an arm of the Mediterranean Sea between Italy and the Balkan countries.
Geography Question - Bodies of Water #1?
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