i need to know what is on the blank of peninsula?

I don't understand your question. Please clarify.
A peninsula is land that is surrounded on three sides by water. Most of Florida is a peninsula.

really mkay

Based on your question, it seems like you're asking about what is on the land portion of a peninsula - essentially, what features or things can be found there. To determine what is on the blank of a specific peninsula, you would need to identify and research the specific peninsula in question.

Peninsulas can vary in size and geographic features, so it is important to have a particular peninsula in mind to provide a more accurate answer. Some common features found on the land portion of peninsulas include cities, towns, villages, mountains, hills, forests, rivers, lakes, wildlife, and various human activities such as agriculture, fishing, and tourism.

If you have a particular peninsula in mind, providing its name or location would enable a more precise response.

Its a peninsula is surrounded by water on three sides, because a peninsula is an island shaped like a boot :3