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Thetaedia (island) — by C. Foss — last modified Apr 19, 2024 11:17 PM

An ancient island or island group, attested by literary or documentary sources, whose precise location cannot be determined today

Thule (island) — by R. Warner — last modified Feb 27, 2024 04:06 PM

An island mentioned frequently -- and often metaphorically -- in texts of the Roman period, said by Ptolemy, Strabo, Pliny, and others to lie to the north of Britannia. Some scholars associate it with the island known today as Shetland, but the geographic association even in antiquity (when it was more than just a rhetorical term) varied (see further Todd in New Pauly).

Thynias/Apollonia/Daphnousia (island) — by C. Foss — last modified Dec 30, 2024 10:37 PM

An ancient place, cited: BAtlas 52 G2 Thynias/Apollonia/Daphnousia Ins.

Tiquadra — by P.O. Spann — last modified May 01, 2015 12:26 AM

An ancient place, cited: BAtlas 27 unlocated Tiquadra Ins.

Toliatis/Tanatus (island) — by A.S. Esmonde Cleary — last modified Jul 05, 2022 05:06 PM

A location at the most easterly point of England that, in antiquity, was separated from the mainland by the River Wantsum.

Topazios (island) — by Jeffrey Becker — last modified May 09, 2022 11:10 AM

An island in the Red Sea. The island is noted by Pliny as a source of topaz.

Tretos? (island) — by J. Bennet — last modified Feb 07, 2024 05:08 PM

An ancient place, cited: BAtlas 60 A1 Tretos? Ins.

Trikadiba — by M.U. Erdosy — last modified Feb 14, 2012 07:50 PM

An ancient place, cited: BAtlas 5 unlocated Trikadiba Ins.

Trikrana (island) — by G. Reger — last modified Oct 14, 2024 10:47 AM

An ancient island mentioned by Pausanias, it can be identified with the modern Trikeri.

Trileukoi (islands) — by E.W. Haley — last modified Sep 06, 2019 12:10 PM

Small, rocky islets in Galicia located adjacent to Cabo Ortegal.

Trimerus (island) — by I.E.M. Edlund Berry — last modified Dec 06, 2024 04:12 PM

The largest of the Diomedeae Islands in the Adriatic Sea.

Trogiliai (islands) — by C. Foss — last modified Sep 15, 2022 06:09 AM

A group of small islands lying just off the coast of Asia Minor between it and the island of Samos. Their ancient name is related to the homonymous mainland promontory (the coastal terminus of the Mycale mountain ridge).

Troullas Ins. — by D.T. Potts — last modified Feb 27, 2024 04:07 PM

An ancient place, cited: BAtlas 4 C3 Troullas Ins.

Tsimintiri island — by Catherine Bouras — last modified Nov 29, 2023 02:05 PM

A small Cycladic island East of Despotiko, to which it seems to have been joined by a land bridge during the Archaic and Classical periods. Survey and excavation on the island have revealed evidence for an archaic period sanctuary and other large public buildings, as well as burials dating to the Early Cycladic, Hellenistic, and Roman periods.

Tylos (island) — by D.T. Potts — last modified Jan 12, 2025 11:10 AM

Tylos is the ancient name for Bahrain, renowned in antiquity as a center of pearl trading.

Tyndareioi (islands) — by D.J. Mattingly — last modified Oct 29, 2021 05:43 AM

An ancient place, cited: None

Tyris — by I.E.M. Edlund Berry — last modified Apr 02, 2023 10:31 AM

An ancient place, cited: BAtlas 46 unlocated Tyris Ins.

Uliarios/*Olario (island) — by H.S. Sivan — last modified Oct 29, 2024 01:57 PM

The island of Oléron located in the Bay of Biscay.

Ursaria (island) — by M. Šašel Kos — last modified Jan 20, 2024 09:55 PM

An island off the Croatian coast in the Adriatic Sea, now known as Sveti Juraj (San Giorgio).

Ustica (island) — by R. Talbert — last modified Dec 16, 2024 10:49 PM

An island in the Tyrrhenian Sea occupied since the middle of the second millennium B.C. when Phoenician traders were present there.