St Fagans (/səntˈfæɡənz/ sənt-FAG-ənz; Welsh: Sain Ffagan) is an area in the west of the city of Cardiff, capital of Wales.To the south lies the village of Michaelston-super-Ely, and to the east the suburb of Fairwater. St Fagans lies on the River Ely, and previously had a railway station on the South Wales Main Line, and currently there is a level crossing. St. Fagans is home to St.