The following outline is provided as an overview of and topical guide to Switzerland: Switzerland – alpine country in Central Europe, located mostly in the Alps. Switzerland is the oldest neutral country in the world; it has not fought a foreign war since its neutrality was established by the Treaty of Paris in 1815. It is not a member of the European Union. Swiss cultural icons include Switzerland's quality of life, its neutrality, the Swiss Alps, watches, yodeling, and chocolate.