Located on the French Riviera, Monaco is home to the largest number of millionaires and billionaires per capita in the world. Known for its gambling and luxury goods and services industry, Monaco is a favourite playground of the rich and famous. Bordered by France on 3 sides and one side by the Mediterranean Sea, the residents of Monaco are mostly French-speaking. With a population of over 36,000, Monaco is the world’s most densely populated country. The most popular annual event is the Formula 1 race, with tracks passing through the city streets.