It is also the only Great Lake located entirely in the United States. Lake Ontario: Ontario is the Huron word for lake of shining water. This lake is the smallest of all the Great Lakes when measured in surface area (7,340 square miles / 18,960 square km).
The Swiss franc (CHF) is the only official currency in Switzerland (and in Liechtenstein). The franc is the only currency accepted everywhere. The Euro is the currency in the neighboring countries Germany, France, Italy and Austria, and in many other European countries. Nevertheless, you can pay with Euros in many shops, hotels, rail stations and gas stations in Switzerland. This is convenient if you're only in transit or only stay for one night.
Switzerland, which is also not an EU member state, signed the Agreement in 2004. The Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia and Slovenia all acceded to Schengen on 21 December 2007. The newest member of the Schengen area is Liechtenstein (a non-EU country), which joined in 2011.or EU member states there are considerable advantages in belonging to the Schengen area. For EU citizens the abolition of checks at the Schengen areaâs internal borders means not only greater freedom of movement but also greater security.