- Category: Populated Place
- Type: Suburban Area
- Latitude/Longitude: 53°18'12"N 3°14'19"W
- Eastings/Northings: 317550, 379205
- OS Grid: SJ175792
- Mapcode Local: GBR 5ZT7.MK
- Mapcode Global: WH76K.770F
Location and coordinates are for the approximate centre of Llannerch-y-môr within this administrative area.
Geographic features and populated places may cross administrative borders.