It is situated between the Karaburun Peninsula, Turkey in the west, and the district of Foça in the east. Stretching over a length of c. 9 kilometres (6 miles) in north-south direction, it is Turkey's fourth largest island, and its third largest in the Aegean Sea.
The island has been called by many names. Its ancient Greek name was Drymoussa (Δρυμούσσα), and it is also known under its later Greek names of Makronisi ("long island") or Englezonisi ("Englishmen's island"), but more likely is that this name is derived from the word Enclazomenisi from ancient city Clazomenae at the opposite coast. To its south are several smaller islets, including Yassıca. It has also been called "Chustan Island" (or Keustan).
"Uzunada" is also the name of several other, smaller islets along the Turkish Aegean coast. Uzunada is currently closed to settlements due to military activities.
- (16 Nov 2012). UZUNADA KİMİN?, Yeni Asır (article in Turkish re island ownership, notes prior name of "Englezonisi (İngilizlerin adası)")
- US GeoNames database
- Mediterranean Pilot, Volume 4, pp. 191-92 (4th ed. 1908)
- Thucydides, 8.31 (" He was himself carried to Phocaea and Cymè, and the remainder of the fleet put into the islands, Marathussa, Pelè, and Drymussa, which lie off Clazomenae. There, being detained eight days by the weather, they spoiled and destroyed part of the property of the Clazomenians which had been deposited in the islands")
- A Dictionary of Greek and Roman Geography, Volume 1, p. 632 (1872)
- Pinkerton, John. A general collection of ... voyages and travels, Vol. X, p. 653 (1811)
- Bowyer, W. A Description of the East and Some Other Countries, Vol. 2, Part 2, p. 41 (1745)
- Turkish Island Romance, Akaroa Mail and Banks Peninsula Advertiser, Volume LI, Issue 5241, 10 December 1926, Page 1 (reprinted from The London Times)
- Stamp Collectors will be Kept Busy, The Tomahawk (date?)
- SMALL ISLANDS IN THE NEAR EAST, PHILATELIC EXPERTS, Retrieved 22 May 2015