Lier, Norway

Lier is a municipality in Buskerudcounty, Norway. The administrative centre of the municipality is the village of Lierbyen. The municipality of Lier was established on 1 January 1838 (see formannskapsdistrikt). The area Åssiden was transferred from Lier to the neighboring municipality of Drammen on 1 July 1951.

Norway's longest indoor shopping center, , is located in Lierskogen. The newspaper Lierposten is published in Lier.