Grace Kelly shot “To Catch a Thief” (1955) on the Riviera before marrying Prince Rainier — and becoming Princess of Monaco.
Monaco is the world's second-smallest state: 2 km² you can walk across in under an hour.
In May, the Grand Prix closes the streets: check the dates before booking. An eSIM helps: TER trains from Nice tracked online, real-time parking and Oceanographic Museum tickets.