Monaco, a city-state on the French Riviera.
Monaco
The Principality of Monaco is a city-state located on the French Riviera, on the Mediterranean Sea mediterranean. Its only land border is with France france, though the border with Italy italy is nearby. The official language is French, and the currency is the Euro.
Monaco is not a member of the European Union, but it is in the Schengen Area schengen and has an open border with France, with which it is in a customs union.