Bern-Mittelland District in the Canton of Bern was created on 1 January 2010. It is part of the Bern-Mittelland administrative region, and is the only district in the region. It contains 74 municipalities with an area of 946.30 km2 (365.37 sq mi) and a population (as of 2020) of 418,191.

It is made up of the valley of the rivers Aare and Emme, some of the foothills of the Bernese Alps , as well as the plain around the capital Bern, and has many small farms and hilly forested regions with small to mid-sized towns scattered throughout.

Municipalities

Mergers and name changes

• On 1 January 2011 the former municipalities of Albligen and Wahlern merged to form the new municipality of Schwarzenburg.
• The municipality of Belpberg merged on 1 January 2012 into the municipality of Belp .
• On 1 January 2014 the former municipality of Bleiken bei Oberdiessbach merged into the municipality of Oberdiessbach. The former municipalities of Büren zum Hof , Etzelkofen , Grafenried, Limpach, Mülchi , Schalunen and Zauggenried merged into the municipality of Fraubrunnen , the former municipality of Münchringen and Scheunen merged into the municipality of Jegenstorf .
• The municipality of Tägertschi merged on 1 January 2017 into the municipality of Münsingen .
• On 1 January 2018 the former municipalities of Gelterfingen , Mühledorf and Noflen merged into the municipality of Kirchdorf.
• The municipality of Schlosswil merged on 1 January 2018 into the municipality of Grosshöchstetten .
• On 1 January 2019 the former municipality of Golaten merged into the municipality of Kallnach .
• On 1 January 2020 the former municipalities of Kirchenthurnen , Lohnstorf and Mühlethurnen merged into the new municipality of Thurnen.
• On 1 January 2021 the former municipality of Rümligen merged into Riggisberg .
• On 1 January 2022 the former municipality of Clavaleyres merged into Murten (Canton of Freiburg)
• On 1 January 2023 the former municipality of Diemerswil merged into Münchenbuchsee .

Demographics