Switzerland's capital is BERN, which is a 4-letter word. Located in the German-speaking part of Switzerland, BERN is the country's de facto capital and is also the seat of the Swiss federal government. It is the seventh most populous city in Switzerland, with a population of about 140, 000 people. BERN is known for its medieval architecture, including the Zytglogge clock tower, the Old City, and the Federal Palace. The city is also home to numerous museums, galleries, and other cultural attractions.