Monaco is a small city-state located on the French Riviera. It is the second-smallest country in the world, after Vatican City. Monaco is known for its casinos, luxury hotels, and beautiful scenery. It is a popular tourist destination, and it is also home to many wealthy people.
Monaco is a principality because it is a sovereign state. This means that it has its own government, laws, and currency. Monaco is also a member of the United Nations and other international organizations.