Ocean!
No Oceania is not a Greek goddess. Oceania is a region around Australia and New Zealand. But, if you were looking for Oceanus, then he is a Titan. The Titan of the seas and streams. Remember, Titans and gods are very different, so don't get confused with them.
Oceania is a fictional place. You could not write a letter to Oceania because it could not be delivered.
There are 24 letters in the Greek Alphabet
There is no Greek or Roman deity with this name. Perhaps you are thinking of Okeanos (Oceanus), who was the Titan that personified the oceans at the edge of the world. Oceania is most usually identified with a region of the southwest Pacific ocean.
This is it in Greek letters, not the actual word: Δεστινυ
Greek letters are letters, they dont mean anything out of context.
The Greek word "alphabet" has 8 letters.
Russian:32 Greek:26 32+26=58 letters. Vuallae
adventure = ΠΕΡΙΠΕΤΕΙΑ (Pronounced "peripetia")
Ancient Greek: Ζεύς; Modern Greek: Δίας, Dias
24 letters.