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Ionia (īōˈnēə), ancient region of Asia Minor. It occupied a narrow coastal strip on the E Mediterranean (in present-day W Turkey) as well as the neighboring Aegean Islands, which now mainly belong to Greece. In its favorable position between the civilizations to the west (e.g., the Greek Aegean) and to the east (e.g., Lydia and Phrygia), Ionia made an immense contribution to Greek art by supplying much of the Eastern influence in the 7th cent. B.C.

Settlement and Growth

The region was of considerable importance in ancient times, for it was there that Greek settlers established colonies before 1000 B.C. These colonists were called Ionians, and tradition says that they fled to Asia Minor from the mainland of Greece to escape the invading Dorians. Athens claimed to be the mother city of all the Ionian colonists, but modern scholars believe that the Ionians were actually a mixed group (mainly from Attica and Boeotia) and that after migrating they were further mixed by intermarriage with native groups such as the Carians. Nevertheless, they spoke the same distinctive form of Greek that was spoken in Attica and Euboea, and their culture was always distinguished from that of the Dorians and Aeolians.

There came to be 12 major cities—Miletus, Myus, Priene, Sámos, Ephesus, Colophon, Lebedos, Teos, Erythrae, Khíos, Clazomenae, and Phocaea. A religious league (which reached its full power in the 8th cent. B.C.) was formed, with its center at the temple of Poseidon near Mycale. Smyrna, originally an Aeolian colony, later joined the league. The fertility of the region and its excellent harbors brought prosperity to the cities. Traders and colonists traveled the Mediterranean as far west as Spain and up to the shores of the Black Sea.

Conquest and Reconquest

In the 7th cent. B.C. the Ionian cities were invaded by the Cimmerians, but they survived. In the same century Gyges, king of Lydia, invaded, but it was not until the time of Croesus that their subjugation was completed. When Croesus was conquered (before 546 B.C.) by Cyrus the Great of Persia, the Greek cities came under Persian rule. That rule was not very exacting, but it was despotic in nature, and at the beginning of the 5th cent. B.C. the cities rose in revolt against Darius I. Although the revolt was easily put down, the Persians set out to punish the allies (Athens and Eretria) of the cities. The Persian Wars resulted. Most of the Ionian cities thereby gained a brief freedom, but their fate continued to be subject to treaties with the Persians and changed as Persian fortunes waxed and waned. Alexander the Great easily took (c.335 B.C.) all the Ionian cities in his power, and the Diadochi quarreled over them. The cities continued to be rich and important through the time of the Roman and Byzantine empires. It was only after the Turkish conquest in the 15th cent. A.D. that their culture was destroyed.


See D. G. Hogarth, Ionia and the East (1909); C. Roebuck, Ionian Trade and Colonization (1959); G. L. Huxley, The Early Ionians (1966, repr. 1972); J. Balcer, Sparda by the Bitter Sea: Imperial Interaction in Western Anatolia (1985).

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a region in the central part of the west coast of Asia Minor (and adjacent islands) between the cities of Miletus and Phocaea, colonized by the Ionians in the 11th to ninth centuries B.C. Ionia was an important cultural and trade center, linking the East and West, a fact that promoted the region’s prosperity. The advanced culture of the Ionian cities exerted an important influence on the cultural development of Greece as a whole. It was Ionia that produced the first Greek philosophers (Thales, Anaximander, Anaximenes) and historians (the logographers, Herodotus). In the sixth century B.C., Iona was conquered by Lydia and in 546 B.C., by the Persians. In the fourth century B.C. the region came under Macedonian rule and in the second century B.C. under Roman rule.


Cook, I. M. The Greeks in Ionia and the East. New York, 1965.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


an ancient region of W central Asia Minor, including adjacent Aegean islands: colonized by Greeks in about 1100 bc
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
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