The three districts (which correspond to Møre og Romsdal county) were used to form the new diocese.

[1][2] The Diocese of Møre is divided into seven deaneries (Norwegian: Prosti).

Sunnmøre, with almost half of the population, would accept that the bishop be located in the geographical center of the diocese—Molde in Romsdal—if that region's name (Romsdal) be excluded from the name of the diocese.

The name of the corresponding county was Møre fylke during the period from 1919–1935, and Romsdal amt from 1660–1919.

However, the name is old (Old Norse: Mœrr), and it is probably derived from the word marr which means "ocean" or "sea".