Nationwide local elections for seats in municipality and county councils were held throughout Norway on 12 September 2011. Several municipalities also opened the polling booths on 11 September. For polling stations this meant that two elections, the municipal elections and the county elections ran concurrently. In addition, an advisory referendum was held in Aust-Agder to determine whether to merge the county with Vest-Agder.

The Conservative Party or The Right is a liberal-conservative political party in Norway. It is the major party of the Norwegian centre-right, and was the leading party in government as part of the Solberg cabinet from 2013 to 2021. The current party leader is former Prime Minister Erna Solberg. The party is a member of the International Democrat Union and an associate member of the European People's Party.