MOSKONISI, an island of Asiatic Turkey, in the pashalic of Anatolia, is situated in the Gulf of Adramytti, in 39. 20. N. Lat., 26. 40. E. Long. It is about 4½ miles in length, and is joined to the mainland by a sandy isthmus. The surface is mountainous; and the island produces fruits and cotton, which are exported from the small port of Mosko, on the south coast.