Kapıdağ Peninsula () is a

tied island A tied island or land-tied island is a landform consisting of an island that is connected to the mainland or another island only by a tombolo, which is a spit of beach materials connected to land at both ends. St Ninian's Isle in the Shetlan ...

in northwestern

Anatolia Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...

extending into the

Sea of Marmara The Sea of Marmara, also known as the Sea of Marmora or the Marmara Sea, is a small inland sea entirely within the borders of Turkey. It links the Black Sea and the Aegean Sea via the Bosporus and Dardanelles straits, separating Turkey's E ...

Balıkesir Province Balıkesir Province () is a Provinces of Turkey, province and Metropolitan municipalities in Turkey, metropolitan municipality in northwestern Turkey with coastlines on both the Sea of Marmara and the Aegean Sea, Aegean. Its area is 14,583 km ...

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

. The peninsula forms the Gulf of Bandırma on its east and the Gulf of Erdek on its west. Kapıdağ was the classical island of ancient Greek Arctonnesus, but was joined to the mainland by a narrow isthmus in historic times either by an earthquake or (according to legend) by

Alexander the Great Alexander III of Macedon (; 20/21 July 356 BC – 10/11 June 323 BC), most commonly known as Alexander the Great, was a king of the Ancient Greece, ancient Greek kingdom of Macedonia (ancient kingdom), Macedon. He succeeded his father Philip ...

. It was also known as the Peninsula of

Cyzicus Cyzicus ( ; ; ) was an ancient Greek town in Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peninsula (the classical Arctonnesus), a tombolo which is said to have or ...

after its chief town. Cyzicus was abandoned following a series of severe earthquakes, but served from 1303 to 1304 as the base of the

Catalan Company of the East The Catalan Company or the Great Catalan Company (; , , , or ) was a company of mercenaries led by Roger de Flor in the early 14th century and hired by Byzantine Emperor Andronikos II Palaiologos to combat the increasing power of the Anatolian be ...

and was the site of the Battle of the Cyzicus in October 1303. After its conquest by the

Ottoman Empire The Ottoman Empire (), also called the Turkish Empire, was an empire, imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Centr ...

, it was part of the kaza of Erdek in the province of Bursa.

Locations

Erdek Erdek is a municipality and district of Balıkesir Province, Turkey. Its area is 307 km2, and its population is 31,902 (2022). Located on the Kapıdağ Peninsula, on the north coast of the Gulf of Erdek at the south of the Sea of Marmara, ...

, a small town known as a seaside resort, is located in the Gulf of Erdek west of the peninsula. Erdek hosts a

naval base A naval base, navy base, or military port is a military base, where warships and naval ships are docked when they have no mission at sea or need to restock. Ships may also undergo repairs. Some naval bases are temporary homes to aircraft that usu ...

of the

Turkish Navy The Turkish Naval Forces (), or Turkish Navy (), is the naval warfare service branch of the TAF. The modern naval traditions and customs of the Turkish Navy can be traced back to 10 July 1920, when it was established as the ''Directorate o ...

References

External links

Kapidag Tourism
Peninsulas of Turkey Sea of Marmara Landforms of Balıkesir Province Marmara region Tombolos Important Bird Areas of Turkey {{Balıkesir-geo-stub