

The Fourth Crusade weakened Byzantine control of the area, and it was eventually conquered by the Ottoman Empire, with the exception of Crete, which was a Venetian colony until 1669. The Romans conquered the area under the Roman Empire, and later the Byzantine Empire held it against advances by the First Bulgarian Empire. Along with the Greeks, Thracians lived among the northern coast. The Aegean islands facilitated contact between the people of the area and between Europe and Asia. The Aegean Sea has been historically important, especially in regards to the civilization of Ancient Greece, who inhabited the area around the coast of the Aegean and the Aegean islands. Various Turkish islands in the sea are Imbros, Tenedos, Cunda Island, and the Foça Islands. Nine out of twelve of the Administrative regions of Greece border the sea, along with the Turkish provinces of Edirne, Canakkale, Balıkesir, Izmir, Aydın and Muğla to the east of the sea. Euboea, the second-largest island in Greece, is located in the Aegean, despite being administered as part of Central Greece. Lesbos is part of the North Aegean Islands. The Dodecanese, located to the southeast, includes the islands of Rhodes, Kos, and Patmos the islands of Delos and Naxos are within the Cyclades to the south of the sea. The Aegean Islands can be divided into several island groups, including the Dodecanese, the Cyclades, the Sporades, the Saronic islands and the North Aegean Islands, as well as Crete and its surrounding islands. The Thracian Sea and the Sea of Crete are main subdivisions of the Aegean Sea. The sea reaches a maximum depth of 3,544 meters, to the east of Crete. The Aegean Islands are located within the sea and some bound it on its southern periphery, including Crete and Rhodes. In the north, the Aegean is connected to the Marmara Sea and the Black Sea by the straits of the Dardanelles and the Bosphorus. It is located between the Balkans and Anatolia, and covers an area of some 215,000 square kilometres. The Aegean Sea is an elongated embayment of the Mediterranean Sea between Europe and Asia. The extent of the Aegean Sea on a map of the Mediterranean Sea
