Switzerland (German: Schweiz, French: Suisse, Italian: Svizzera, Romansh: Svizra), officially the Swiss Confederation (Confoederatio Helvetica in Latin, hence its ISO country codes CH and CHE), is a landlocked alpine country of roughly 7.5 million people in Western Europe with an area of 41,285 km². Switzerland is a federal republic consisting of 26 states. These states are called cantons. Berne is the seat of the federation and de facto capital, while the country's economic centres are its two global cities, Geneva and especially Zürich. Switzerland has high degrees of economic freedom, immigrants, and globally-oriented business. It is one of the richest countries in the world.