This article relates to the county and administrative area current of Gwynedd in Wales. For the medieval kingdom of Gwynedd, to see Kingdom of Gwynedd.

The Gwynedd is an area of the Wales, from which the name is drawn from an old medieval kingdom. It was created in 1974 and belonged to the one of the eight administrative areas of Wales. Although it appears among largest in terms of surface, it however one of is populated. As a good part of the population speaks there Welsh (76%), it became the center of a nationalist movement, the Plaid Cymru.

April 1st 1996, its geographical borders were reorganized. It lost the island of My (Anglesey), which became an area with whole share, as Aberconwy which was integrated into the county lately formed of Conwy.

As Gwynedd covered the majority of the areas which corresponded to the traditional Caernarfonshire, it was renamed in Caernarfonshire and Merionethshire . One of the very first actions of the council, the April 2nd 1996 (the shortly after its creation) was to return its old name of Gwynedd to him.