Snowdonia or Eryri (), is a mountainous region in northwestern Wales and a national park of in area. It was the first to be designated of the three national parks in Wales, in 1951. Name and extent It was a commonly held belief that the name is derived from ("eagle"), and thus means "the abode/land of eagles", but recent evidence is that it means highlands, and is related to the Latin (to rise) as leading Welsh scholar Sir proved. The term first appeared in a manuscript in the 9th-century , in an account of the downfall of the semi-legendary 5th-century king (Vortigern). In the Middle Ages, the title Prince of Wales and Lord of Snowdonia () was used by ; his grandfather used the title Prince of north Wales and Lord of Snowdonia. The name Snowdonia derives from Snowdon, the highest mountain in the area and in Wales at . Before the boundaries of the national park were designated, Snowdonia was generally used to refer to a smaller area, namely the upland area of northern centred on the Snowdon massif, whereas the national park covers an area more than twice that size, extending far to the south into . This is apparent in books published prior to 1951, such as the classic travelogue Wild Wales by George Borrow (1862) and The Mountains of Snowdonia by H. Carr & G. Lister (1925). F. J. North, as editor of the book Snowdonia (1949), states "When the Committee delineated provisional boundaries, they included areas some distance beyond Snowdonia proper". The traditional Snowdonia thus includes the ranges of Snowdon and its satellites, the , the , the and the Moel Hebog group. It does not include the hills to the south of . Use of in English In 2003, Cymuned launched a campaign for the scrapping of Snowdon and Snowdonia for their Welsh-language counterparts, and , respectively, with the campaign citing efforts similar to Uluru (also known as Ayers Rock) and the use of Qomolangma instead of Mount Everest, which was named after Welsh-born George Everest. In 2020, an e-petition calling for the removal of the English names was put forward to the Senedd. The petition was rejected as the devolved legislature stated it was the responsibility of the national park authority itself. On 28 April 2021, Gwynedd councillor John Pughe Roberts put forward a motion for the names Snowdonia National Park and Snowdon