Llanfair-yn-Neubwll is a community

Community (Wales)

A community is a division of land in Wales that forms the lowest-tier of local government in Wales. Welsh communities are analogous to civil parishes in England....

 and village on the Isle of Anglesey in the north west of Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. The community includes the villages of Llanfihangel yn Nhowyn and Caergeiliog, and has a population of 1,688. The community is heavily connected to the nearby Royal Air Force

Royal Air Force

The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

 airfield, RAF Valley

RAF Valley

RAF Valley is a Royal Air Force station on the island of Anglesey, Wales, and which is also used as Anglesey Airport. It provides fast-jet training using the BAE Hawk and provides training for aircrew working with Search and Rescue. Unofficially the motto for RAF Valley is 'One Valley, Training...

, established on Tywyn Trewan during the Second World War, and still in use. Due to the founding of the airfield, Llanfair-yn-Neubwll is the most Anglicised of the communities on Anglesey.

Llanfair-yn-Neubwll lies on the western coast of Anglesey looking out towards Holy Island

Holy Island, Anglesey

Holy Island Cybi') is an island on the western side of the larger Isle of Anglesey, North Wales, from which it is separated by a narrow, winding channel. It is called "Holy" because of the high concentration of standing stones, burial chambers and other religious sites on the small island. The...

. Notable geographic features of the area include the offshore rocks of Ynys Feirig and the eight lakes known as Ardal y Llynnoedd. Many of the lakes are included in Valley Wetlands

Valley Wetlands

Valley Wetlands , formerly Valley Lakes, is a nature reserve in Anglesey, Wales belonging to the Royal Society for the Protection of Birds. It is an area of lakes and reedbeds to the south-east of Valley in Llanfair-yn-Neubwll community, adjacent to RAF Valley airfield. The western section of the...

 RSPB reserve.