Where is Bern city exactly located?

Bern (or Berne in English and French) is the capital city of Switzerland and the capital of the Swiss canton of Bern. It is situated in the Bernese Midlands on a narrow peninsula between a bend in the Aare river and was founded by Berchtold V, Duke of Zähringen in 1191. Bern is also known for its medieval old town, which was declared a UNESCO World Heritage Site in 1983.