Bern or Berne is the de facto capital of Switzerland, referred to by the Swiss as their Bundesstadt, or "federal city". With a population of 142,656, Bern is the fourth-most populous city in Switzerland. The Bern agglomeration, which includes 36 municipalities, had a population of 406,900 in 2014. The metropolitan area had a population of 660,000 in 2000. Bern is also the capital of the canton of Bern, the second-most populous of Switzerland's cantons.
The official language in Bern is German, but the most-spoken language is an Alemannic Swiss German dialect, Bernese German.
In 1983, the historic old town in the centre of Bern became a UNESCO World Heritage Site. Bern is ranked among the world’s top ten cities for the best quality of life.