The Old Älvsborg Fortress, which was situated in a borough of today's city of Gothenburg

The Old Älvsborg Fortress was located at the Klippan area at the harbour entrance of Gothenburg, Sweden. Gothenburg ( Swedish:) /jœte'bɔrj/ is a city, a municipality, and an urban area on the west-coast of Sweden. "Sverige" redirects here For other uses see Sweden (disambiguation and Sverige (disambiguation. It was built by the Swedes to keep away the Danes in the Middle Ages. "Sverige" redirects here For other uses see Sweden (disambiguation and Sverige (disambiguation. The term Dane may refer to People with a Danish ancestral or ethnic identity whether living in Denmark, emigrants or the descendants of emigrants

Today only small remains of the fortress can be seen.

The New Älvsborg Fortress today, outside the city of Gothenburg.

The New Älvsborg Fortress in an image made in the late 17th century.

The New Älvsborg Fortress was built in 17th century due west of the Old Fortress, towards the sea, on a small island and served its purpose better. The New Fortress is today a popular tourist sight.

The Fortress gave name to a settlement in New Sweden, North America: Fort Nya Elfsborg. New Sweden ( Nya Sverige in Swedish and Uusi-Ruotsi in Finnish) was a small Swedish settlement along the Delaware River Fort Nya Elfsborg was a Swedish settlement in North America and part of the New Sweden colony