Gwynedd Council is the governing body for the principal area of Gwynedd

Gwynedd

Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated...

, one of the subdivisions of Wales

Subdivisions of Wales

For local government purposes, Wales is divided into 22 single-tier principal areas, which are responsible for the provision of all local government services, including education, social work, environment and roads services...

 within the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.
The present local government area of Gwynedd is made up of the ancient counties of Caernarfonshire

Caernarfonshire

Caernarfonshire , historically spelled as Caernarvonshire or Carnarvonshire in English during its existence, was one of the thirteen historic counties, a vice-county and a former administrative county of Wales....

 and Merionethshire

Merionethshire

Merionethshire is one of thirteen historic counties of Wales, a vice county and a former administrative county.The administrative county of Merioneth, created under the Local Government Act 1888, was abolished under the Local Government Act 1972 on April 1, 1974...

. These counties alongside Anglesey

Anglesey

Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales...

 were merged in 1974 to create a much larger local government area called "Gwynedd" after the medieval kingdom

Kingdom of Gwynedd

Gwynedd was one petty kingdom of several Welsh successor states which emerged in 5th-century post-Roman Britain in the Early Middle Ages, and later evolved into a principality during the High Middle Ages. It was based on the former Brythonic tribal lands of the Ordovices, Gangani, and the...

 of the same name. The governing body of this area was called Gwynedd County Council.

The present governing body was formed following the local government reorganisation in Wales in 1996 which recommended the separation of Anglesey, the abolition of Gwynedd and the creation of the new "County of Caernarfonshire and Merionethshire".