Wangen & Oberaargau districts emblem, Switzerland Sticker

Wangen District is one of the 26 administrative districts in the canton of Bern, Switzerland. Its capital is the municipality of Wangen an der Aare. From 1 January 2010, the district lost its administrative power while being replaced by the Oberaargau administrative district, whose administrative centre is Wangen an der Aare. Since 2010, it remains therefore a fully recognised district under the law and the Constitution (Art.3 al.2) of the Canton of Berne. The district has an area of 129 km² and consists of 23 municipalities. The Oberaargau District in the Canton of Bern was created on 1 January 2010. It is part of the Emmental-Oberaargau administrative region and includes 45 municipalities over an area of (based on the 2004/09/16 survey) of 331.04 km2 (127.82 sq mi), and as of 31 December 2020, 82,472 residents.