A fertile island in the Ægean Sea, about 30 m. long and 8 wide, separated from the coast of Ionia, three-quarters of a mile wide; had an extensive trade with Egypt and Crete; came through various fortunes under the chief Powers of ancient and mediæval Europe till it became subject to Turkey; had a capital of the same name, which in the fifth century B.C. was one of the finest cities in the world.