The largest peninsula in the world is the Arabian Peninsula. This vast landform is located in the Middle East and is bordered by the Persian Gulf to the northeast, the Red Sea to the west, and the Arabian Sea to the southeast. Covering approximately 3.2 million square kilometers, it is home to several countries, including Saudi Arabia, Yemen, Oman, and the UAE. The Arabian Peninsula is rich in oil reserves and has significant cultural and historical importance in the context of trade and civilization.