- Category: Populated Place
- Type: Village
- Latitude/Longitude: 58°13'40"N 6°10'23"W
- Eastings/Northings: 155086, 934158
- OS Grid: NB550341
- Mapcode Local: GBR C64Z.H61
- Mapcode Global: WGZ46.4GN8
Location and coordinates are for the approximate centre of Seisiadar within this administrative area.
Geographic features and populated places may cross administrative borders.