The Göta älv (Swedish pronunciation: [ˈjø̌ːta ˈɛlv]; "River of (the) Geats") is a river that drains lake Vänern into the Kattegat, at the city of Gothenburg, on the western coast of Sweden. It was formed at the end of the last glaciation, as an outflow channel from the Baltic Ice Lake to the Atlantic Ocean and nowadays it has the largest drainage basin in Scandinavia. The Göta älv is located in Götaland, with the river itself being a site of early Geatish settlement. Its length is 93 km (58 mi). The Bohus Fortress is located by the river at Kungälv.
https://en.wikipedia.org/wiki/G%C3%B6ta_%C3%A4lv