Glan-y-llyn is a suburban area in Taff's Well, Cardiff
Other current and historical names
- Built-Up Area: Taff's Well
- Parish/Community: Pentyrch
- Unitary Authority: Cardiff
- Region: Wales
- Category: Populated Place
- Type: Suburban Area
- Latitude/Longitude: 51°33'8"N 3°16'40"W
- Eastings/Northings: 311500, 184500
- OS Grid: ST115845
- Mapcode Local: GBR HT.FD6R
- Mapcode Global: VH6DZ.47HR
Location and coordinates are for the approximate centre of Glan-y-llyn within this administrative area.
Geographic features and populated places may cross administrative borders.