| Area Type | Rural village in a sparse setting |
| Area Details | Eirianfa, Gwalchmai, Holyhead, LL65 4SR |
| Population | 26 |
| Average Income | £35,200.00 (Range for UK is from £20,000 to £86,100) |
| Nearest Station | Ty Croes |
| Distance To Station | 5.18411 Km |
| Households | 9 |
| Affluence Level | 819 (It is a range with 1-most deprived, 1909-least deprived) |
| Travel To Work Area | Bangor and Holyhead |
| Police Force | North Wales |
| Water Company | Dwr Cymru Welsh Water |
| Parish | Trewalchmai |
| Ward | Crigyll |
| Local Authority | Isle of Anglesey |
| Constituency | Ynys Môn |
| County | Gwynedd |
| Region | Wales |
| Country | Wales |