Cwm Siôn Mathew, Monmouthshire

• Parish/Community: Llanelly
• Unitary Authority: Monmouthshire
• Region: Wales

• Category: Populated Place
• Type: Hamlet

• Latitude/Longitude: 51°49'10"N 3°7'7"W
• Eastings/Northings: 322980, 214043
• OS Grid: SO229140
• Mapcode Local: GBR F1.WH0X
• Mapcode Global: VH6CP.WJKC

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