Does anyone the unit involved in the attack and who was credited with sinking the Battleship?
What happend to the ship during/after the war?

.Georgios Averoff is an Italian Pisa Class Armored Cruiser, was purchased in October 1909 with funds left to the Greek Navy for warship purchases by the Greek millionaire G.Averoff. The cruiser was named after the navy's benefactor.
She was the flagship of the Greek Fleet during the Balkan Wars 1912-1913. The fleet under the command of Rear Admiral Paul Kondouriotis, successfully stopped the Turkish Navy from issuing from the Dardanelles and helped the army seize territory. On January 18, 1913 Averoff engaged the Turkish cruiser Medjidieh, four armored ships and 13 torpedo craft. Averoff met the Turkish squadron 12 miles from Lemnos and after two hours of gunnery exchange, the Turks retired.
Averoff was refitted 1925-1927. On April 25, 1941 she escaped to Alexandria as Greece was invaded by the German Army. During the war she was a convoy escort in the Indian Ocean. The armored cruiser, Georgios Averoff is still in existence as a memorial at Poros Island, 40 miles south of Athens
Excuse me, but Korea once had a pre-dreadnaught?Michael Emrys wrote:Also, in the six decades following 1880, having a pre-Dreadnought or Dreadnought class battleship or two around was regarded as an essential status symbol for many nations, even when they had no realistic operational use for one. I have never attempted an exhaustive survey all all the countries so armed, but I have run into a number that surprised me, like Korea and several in South America. (This should not be taken to mean that Korea had no realistic use for them. It did get into a war with Japan, after all.)
In the case of Greece vs. Turkey, yes there was a real rivalry there, one that hasn't completely cooled down yet even though both countries are NATO members. And Turkey had two relatively modern battleships given to it by Germany during the First World war (assuming both were still afloat by the outbreak of WW II?).
Michael Emrys wrote:Also, in the six decades following 1880, having a pre-Dreadnought or Dreadnought class battleship or two around was regarded as an essential status symbol for many nations, even when they had no realistic operational use for one. I have never attempted an exhaustive survey all all the countries so armed, but I have run into a number that surprised me, like Korea and several in South America. (This should not be taken to mean that Korea had no realistic use for them. It did get into a war with Japan, after all.)