In 1995 it merged with the town of Keflavík and the village of Hafnir to form the new municipality of Reykjanesbær.

The area is mentioned in the Icelandic Sagas, Njarðvík means "bay of Njörðr".

Njarðvík is located in the Reykjanes region of Reykjavík, adjacent to Keflavík.

In the old town is the Njarðvíkurkirkja Innri [ˈnjarðˌviːkʏrˌcʰɪr̥ca ˈɪnːrɪ], a stone church built in 1886.

Media related to Njarðvík at Wikimedia Commons