Fredrikstad

Fredrikstad is a city and municipality in Viken county, Norway. The administrative centre of the municipality is the city of Fredrikstad.

The city of Fredrikstad was founded in 1567 by King Frederick II, and established as a municipality on 1 January 1838. The rural municipality of Glemmen was merged with Fredrikstad on 1 January 1964. The rural municipalities of Borge, Onsøy, Kråkerøy, and Rolvsøy were merged with Fredrikstad on 1 January 1994.

The city straddles the river Glomma where it meets the Skagerrak, about 20 kilometres from the Sweden border. Along with neighboring Sarpsborg, Fredrikstad forms the fifth largest city in Norway: Fredrikstad/Sarpsborg. As of 30 September 2021, according to Statistics Norway, these two municipalities have a total population of 141,708 with 83,761 in Fredrikstad and 57,947 in Sarpsborg.