Steinvikholm Castle is an island fortress on the Skatval peninsula near Stjørdal in Trøndelag county, Norway. The castle was built over seven years, from 1525 to 1532, by Norway's last Roman Catholic Archbishop, Olav Engelbrektsson. Steinvikholm castle became a powerful fortification by the time it was built, and it is the largest construction raised in the Norwegian middle age.

Stjørdal or Skierde (Southern Sami) is a municipality in Trøndelag county, Norway. It is part of the Stjørdalen region. The administrative centre of the municipality is the town of Stjørdal, also called Stjørdalshalsen. Some of the villages in the municipality include Elvran, Flornes, Hegra, Hell, Kvithammer, Prestmoen, Skatval, Skjelstadmarka, Sona, and Værnes.