Monaco /ˈmɒnəkoʊ/, officially the Principality of Monaco (French: Principauté de Monaco (French pronunciation: [pʁɛ̃sipote də mɔnako]); Monégasque: Principatu de Múnegu; Italian: Principato di Monaco; Occitan: Principat de Mónegue), is a sovereign city-state, located on the French Riviera in Western Europe. It is bordered by France on three sides; one side borders the Mediterranean Sea. Monaco has an area of 2.02 km2 (0.78 sq mi) and a population of 36,371; Monaco is the second smallest and the most densely populated country in the world. Monaco has a land border of 4.4 km (2.7 mi), a coastline of 4.1 km (2.5 mi), and a width that varies between 1,700 and 349 m (5,577 and 1,145 ft). The highest point in the country is a narrow pathway named Chemin des Révoires on the slopes of Mont Agel, in the Les Révoires Ward, which is 161 metres (528 feet) above sea level. Monaco's most populous Quartier is Monte Carlo and the most populous Ward is Larvotto/Bas Moulins. Through land reclamation, Monaco's land mass has expanded by twenty percent.