półwysep in English:

Have you ever been to the Korean Peninsula?

the Iberian peninsula (= Spain and Portugal)

I am looking forward to walking around the Izu Peninsula with some of my friends during summer vacation.

Italy is a peninsula.

The Malay peninsula is a strip of land projecting into the China Sea.

India is the biggest peninsula.

Our guest house is on the peninsula.

I live on a peninsula, so I understand island mentalities.

A humid climate is characteristic of the peninsula.

There exists a beautiful, colorful species of turkey in the Yucatán Peninsula called the "ocellated turkey," or "el pavo ocelado."