MenuYnys Gwylan-fawr, Caernarfonshire
Primary Name(s): Ynys Gwylan-fawr
Place Type: Island
Historic County: Caernarfonshire
Lat, Long: 52.787674,-4.6942181
Grid Reference: SH 1841 2452
Council Area: Gwynedd CA
Police Area: North Wales PA
Devolved Legislature: Welsh Assembly (Senedd)
GBPN ID: GBPN254126
GBPN URL: https://gazetteer.org.uk/place/Ynys_Gwylan-fawr,_Caernarfonshire_254126