Midsund is a former municipality in Møre og Romsdal county, Norway. It was part of the Romsdal region. The administrative centre was the village of Midsund on Otrøya island. Other settlements on the island included Uglvik and Raknes in the north and Nord-Heggdal in the southeast.

Møre og Romsdal is a county in the northernmost part of Western Norway. It borders the counties of Trøndelag, Innlandet, and Vestland. The county administration is located in the town of Molde, while Ålesund is the largest town. The county is governed by the Møre og Romsdal County Municipality which includes an elected county council and a county mayor. The national government is represented by the county governor.