Svelvik

Proper noun

 * 1) . The municipality is to be merged with  and  from 1 January 2020 under the name Drammen.

Etymology
From, likely a newer form of , from , a nominalised form of , and. The first part may be in reference to the Svelvik current.

Proper noun

 * 1) . Joined  on 1 January 2020.
 * 1) . Joined  on 1 January 2020.