The France–Italy border is the international boundary between France and Italy.
The Franco-Italian border is 515 km long, southeast of France and northwest Italy.
It begins at the west tripoint France - Italy - Switzerland (45°55′23″N 07°02′40″E / 45.92306°N 7.04444°E) at the top of Mont Dolent (3,820 m), in the French town of Chamonix (department of Haute-Savoie), the Italian city of Courmayeur, (Aosta Valley) and the Swiss city of Orsières (canton of Valais).
The boundary then follows a general direction towards south, to the Mediterranean, it reaches the sea at Menton in France and Ventimiglia in Italy.
The border separates three regions (Aosta Valley, Piedmont and Liguria) and four Provinces of Italy of Italy (Aosta, Turin, Cuneo and Imperia) from two regions (Rhône-Alpes and Provence-Alpes-Côte d'Azur) and five departments of France (Haute-Savoie, Savoie, Hautes-Alpes, Alpes-de-Haute-Provence and Alpes-Maritimes).