​TIREH (anc. Teira), a town of Asia Minor, situated in the valley of the Küchük Menderes (Caystrus) at the foot of Mt Messogis. It was the capital of the amirate of Aidin in the 14th century, and is described by Ibn Batuta as a fine city with streams and gardens. Pop. over 14,000, the larger half Moslems. It is connected with Smyrna by a branch of the Aidin railway, and has a trade in raisins, wheat, rice, tobacco and cotton.