Grindheim is a former municipality in former Vest-Agder county, Norway. The administrative centre was the village of Byremo where Grindheim Church is located. The 130-square-kilometre (50 sq mi) municipality existed from 1902 until its dissolution in 1964. It was generally located in the northern part of the present-day municipality of Lyngdal, in what is now Agder county. History.
https://en.wikipedia.org/wiki/Grindheim