Do you mean what are the states that are governed by hereditary royalty?....Empire denotes that it is ruled by an Emperor and that it holds political will over a country that is not part of the original country (in most cases) so you might want to rephrase the question.
Saudi Arabia
Saudi Arabia is the major occupant of the Arabian Peninsula. It is the largest country on the peninsula both in terms of land area and population.
The three major peninsulas in the Middle East are the Arabian Peninsula, the Anatolian Peninsula, and the Sinai Peninsula. There are many other minor peninsulas (such as the Qatari Peninsula).
Rome's location helped it become a great power because; 1: It was located along the Mediterranean Sea, this gave Rome and advantage at seeing attackers before they reached the city. 2: Rome was sandwiched between other powerful Empires, these Empires provided Rome with protection.
San Francisco California is on a peninsula and is a major city.
eastcoast peninsula
The westernmost major peninsula of Europe is the Iberian Peninsula.
San Francisco California is on a peninsula and is a major city.
The three major empires in the Western Hemisphere were the Incans, the Mayans, and the Aztecs.
There was a couple of first empires but two major ones were the Gupta and the Mauryan empires. Hope this helped!
Saudi Arabia IS the country in this case.
the alps, the iberian peninsula, the Italian peninsula, and balkan peninsula