Porth Offeiriad is a bay in Amlwch, Isle of Anglesey
Built-Up Area: Amlwch
Parish/Community: Amlwch
Unitary Authority: Isle of Anglesey
Region: Wales
Category: Water Feature
Type: Bay
Latitude/Longitude: 53°25'7"N 4°20'10"W
Eastings/Northings: 244844, 393868
OS Grid: SH448938
Mapcode Local: GBR HMNN.QH0
Mapcode Global: WH421.CBCH
Location and coordinates are for the approximate centre of Porth Offeiriad within this administrative area.
Geographic features and populated places may cross administrative borders.