What is peninsula definition?

A peninsula is a land formation that is surrounded by water on three sides. It is often connected to a larger piece of land by a narrow strip of land called an isthmus. Peninsulas can vary in size from small pieces of land jutting out into the water to large land masses that can form entire countries. They are often popular tourist destinations due to their scenic beauty and access to water activities such as swimming and boating. Examples of famous peninsulas include the Iberian Peninsula in Europe and the Arabian Peninsula in the Middle East.