Gwalchmai Isaf, Isle of Anglesey

• Built-Up Area: Gwalchmai
• Parish/Community: Trewalchmai
• Unitary Authority: Isle of Anglesey
• Region: Wales

• Category: Populated Place
• Type: Suburban Area

• Latitude/Longitude: 53°15'35"N 4°24'58"W
• Eastings/Northings: 238919, 376360
• OS Grid: SH389763
• Mapcode Local: GBR HNG2.PSW
• Mapcode Global: WH42S.4B7C

Location and coordinates are for the approximate centre of Gwalchmai Isaf within this administrative area. Geographic features and populated places may cross administrative borders.