isthmus, narrow neck of land connecting two larger land areas. Since it commands the only land route between two large areas and is on two seas, an isthmus has great strategical and commercial importance and is a favorable situation for a city. In modern times many isthmuses have been cut through by canals to eliminate the necessity of land transport. The most important isthmuses are the Isthmus of Panama, connecting Central and South America, and the Isthmus of Suez, joining Asia and Africa. Canals were dug through both of these. The Isthmus of Corinth between the Morea peninsula and central Greece also has a canal.
An isthmus is a narrow strip of land connecting two larger land areas. Many canals are built on isthmi where it is particularly advantageous to create a shortcut for marine transportation. Of note is the Panama Canal, which connects the Atlantic and Pacific Oceans, and drastically reduces the naval travel time between the east and west coasts of the Americas.

List of examples

In North America

West Coast

East Coast

Central America

In Australia

In Europe

North Coast

Mediterranean Sea

Dead Sea

Red Sea

English Channel

Northern England

Atlantic Ocean

In Asia

South East Asia

In South America

In Africa

See also

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