With an area of , it is one of the smallest sovereign states in Europe and the second-smallest in the world, after the Vatican City. Its , make it the most densely-populated sovereign state in the world. Monaco has a land border of , the world's shortest coastline of approximately , and a width that varies between . 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 above sea level. The principality is about from the state border with Italy. Its 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 20 percent. In 2005, it had an area of only .