| County constituency |
for the House of Commons
|Electorate||45,006 (December 2010)|
|Major settlements||Pwllheli, Blaenau Ffestiniog, Porthmadog|
|Member of Parliament||Liz Saville Roberts (Plaid Cymru)|
|Number of members||One|
|Created from||Caernarfon and Meirionnydd Nant Conwy|
|Senedd||Dwyfor Meirionnydd, Mid and West Wales|
Dwyfor Meirionnydd is a constituency of the House of Commons of the Parliament of the United Kingdom (at Westminster). The seat was created by the Welsh Boundary Commission for the 2010 general election, and replaced the old north Wales seat of Meirionnydd Nant Conwy. Dwyfor Meirionnydd is bordered to the north by Arfon and Aberconwy. The same boundaries were used for the Dwyfor Meirionnydd Welsh Assembly constituency in the 2007 Welsh Assembly election.
Like its predecessors, it is a Plaid Cymru stronghold, with their candidate in 2019 achieving a majority of 15.9%.
The constituency was created by merging most of Meirionnydd Nant Conwy with the southern part of Caernarfon; the northern area became part of a new Arfon constituency.
The electoral wards used to create the seat are as follows. They are entirely within the preserved county of Gwynedd.
|2010||Elfyn Llwyd||Plaid Cymru||Plaid Cymru's Westminster parliamentary group leader until 2015|
|2015||Liz Saville Roberts||Plaid Cymru||Plaid Cymru's Westminster parliamentary group leader from 2017|
|Plaid Cymru||Elfyn Llwyd||12,814||44.3||N/A|
|Liberal Democrats||Stephen Churchman||3,538||12.2||N/A|
|Plaid Cymru win (new seat)|
|Plaid Cymru||Liz Saville Roberts||11,811||40.9||-3.4|
|Liberal Democrats||Stephen Churchman||1,153||4.0||-8.2|
|Plaid Cymru hold||Swing||-1.9|
|Plaid Cymru||Liz Saville Roberts||13,687||45.1||+4.2|
|Liberal Democrats||Stephen Churchman||937||3.1||-0.9|
|Plaid Cymru hold||Swing||-1.1|
|Plaid Cymru||Liz Saville Roberts||14,447||48.3||+3.2|
|Brexit Party||Louise Hughes||1,776||5.9||N/A|
|Plaid Cymru hold||Swing||-0.05|
Caernarfonshire, historically spelled as Caernarvonshire or Carnarvonshire in English, is one of the thirteen historic counties, a vice-county and a former administrative county of Wales.
Elfyn Llwyd is a Welsh barrister and politician. He was a Member of Parliament, representing Meirionnydd Nant Conwy in the House of Commons from 1992 to 2010 and Dwyfor Meirionnydd from 2010 to 2015. Llwyd was Plaid Cymru's Westminster parliamentary group leader.
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Dafydd Elis-Thomas, Baron Elis-Thomas is a Welsh politician who served as the Leader of Plaid Cymru from 1984 to 1991 and represented the Dwyfor Meirionnydd constituency in the Senedd from 1999 to 2021.
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Dwyfor Meirionnydd is a constituency of the Senedd, first created for the former Assembly's 2007 election. It elects one Member of the Senedd by the first past the post method of election. Also, however, it is one of eight constituencies in the Mid and West Wales electoral region, which elects four additional members, in addition to nine constituency members, to produce a degree of proportional representation for the region as a whole.
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Elizabeth Saville Roberts is a British politician, currently serving as the group leader of Plaid Cymru in the House of Commons. She has been the Member of Parliament (MP) for Dwyfor Meirionnydd since the general election in 2015. She has also chaired the All-Party Parliamentary Group on Digital Crime since June 2016.
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