Interlaken is a town and municipality in the administrative district of Interlaken-Oberhasli in the canton of Bern in Switzerland. It is an important and well-known tourist destination in the Bernese Oberland region of the Swiss Alps, and the main transport gateway to the mountains and lakes of that region. In 2018, 5,610 people lived there.
The town is on the Bödeli between two lakes Brienz and Thun.