Nice is a city in and the prefecture of the Alpes-Maritimes department in France. The Nice agglomeration extends far beyond the administrative city limits, with a population of nearly 1 million on an area of 744 km
2 (287 sq mi). Located on the French Riviera, the southeastern coast of France on the Mediterranean Sea, at the foot of the French Alps, Nice is the second-largest French city on the Mediterranean coast and second-largest city in the Provence-Alpes-Côte d'Azur region after Marseille. Nice is approximately 13 kilometres (8 mi) from the principality of Monaco and 30 kilometres (19 mi) from the French–Italian border. Nice's airport serves as a gateway to the region.