A piece of land that lengthens out into the ocean or sea and is almost completely surrounded by it: There are some people who confuse a peninsula with an island because they both have so much water around them; however, peninsulas are connected to the mainland while islands are completely encircled by water with no direct connection with it.

Part of Italy is a peninsula which looks like a boot and most peninsulas are narrow and long and they may look like an arm or a leg.

Land that extends or projects into a body of water but is connected to a mainland: A peninsula in western North America on the eastern side of Mexico is known as the Baja California Peninsula that is attached to Mexico and it is enclosed by the Gulf of California on one side and the Pacific Ocean on the other side.

The ground that jets out or expands out into water from the larger ground mass of southwest Europe which includes modern day Spain, Portugal, Andorra and Gibraltar: The Iberian Peninsula is separated from the rest of Europe on the south and east by the Mediterranean Sea, and on the north and west by the Atlantic Ocean, with the Pyrenees forming the northeast edge of the peninsula, connecting it to the rest of Europe.

The Iberian Peninsula is the second largest peninsula in Europe after the Scandinavian Peninsula.

A large promontory (high point of land that extends out into the sea) in northern Europe: The Scandinavian Peninsula is the largest peninsula of Europe, a continent that is itself a large peninsula of Eurasia; however, Europe contains several other large peninsulas, including the Balkan, the Iberian, and the Italian peninsulas.