The official language of Thun is the Swiss variety of Standard German.
Thun is a city in the administrative district of Thun in the canton of Berne in Switzerland.
The area of what is now Thun was inhabited since the Neolithic age.
In 1819 a Military School was founded in the town, which later developed into the main military school in Switzerland.
The center of Thun is located on the Aare, just downstream of the point where that river flows out of Lake Thun.
On 31 December 2009 Amtsbezirk Thun, of which it was the capital, was dissolved. On the following day, 1 January 2010, it became the capital of the larger Verwaltungskreis Thun.
Thun is home to the largest garrison in Switzerland.
Thun surface area is 21.7 km².
The name of the city derives from the Celtic term Dunum, meaning “fortified city”.
In 1264, Thun received state rights and in 1384, the town was bought by the canton of Bern.
