Monaco is one of the smallest countries in the world. It has an area of less than 1 square mile (2 square kilometers). Monaco lies on the French Riviera, which borders the Mediterranean Sea. France borders it on the other three sides. Monaco is a popular tourist resort, with many luxury hotels, clubs, flower gardens, and places of entertainment. One of its chief attractions is the famous Monte Carlo gambling casino.

Monaco is also known for such automobile sports events as the Monte Carlo Rally and the Monaco Grand Prix. The towns of Monaco and Monte Carlo sit on cliffs overlooking the Mediterranean. Monaco is the capital.

Prince Rainier III rules from a castle, part of which was built in the 1200's. Monaco's official language is French. The citizens of Monaco are called Monegasques. Government. Monaco is a principality (ruled by a prince). The prince represents Monaco in international affairs, including the signing of treaties. Under the terms of a treaty that was signed with France in 1918, if the royal family of Monaco produces no male heirs, the principality will come under French rule.