:Llanddyfnan

The community includes the villages of Capel Coch, Ceint, Llanddyfnan, Llangwyllog, Maenaddwyn, Mynydd Bodafon (also the name of the highest point of the main island of Anglesey), Talwrn, Llanfihangel Tre'r Beirdd and Tregaian, and at the 2001 census had a population of 1,027.{{cite web|title=Census 2001: Parish Headcounts: Isle of Anglesey|url=http://www.neighbourhood.statistics.gov.uk/dissemination/viewFullDataset.do;jsessionid=gJm4RnTBDLy7JMQThnyGvtx5L2L96TNJ7ZbTJ9xFWsN5hR1QB83p!99717270!1366167073125?step=4&productId=779&instanceSelection=03070&timeId=1&containerAreaId=790559&startColumn=1&numberOfColumns=4&viewAction=fullScreen&maxi=1&nsjs=true&nsck=true&nssvg=false&nswid=792|work=Neighbourhood Statistics|publisher=Office for National Statistics|accessdate=18 April 2013}}

Three of the community's churches are Grade II* listed. Saint Caian's Church at Tregaian dates from at least the 14th century, and contains a window from that period. The south doorway dates from the 15th century, and the pulpit contains 17th century panelling. The circular font dates from the 12th century.{{Cadw|desc=Church of St Caian|num=5403|accessdate=18 April 2013|archive-url=https://web.archive.org/web/20120316083702/http://jura.rcahms.gov.uk/cadw/cadw_eng.php?id=5403|archive-date=16 March 2012|url-status=live}} Saint Cwyllog's Church at Llangwyllog is thought to date from around 1200, and is mentioned in the Norwich Taxation of 1254, although the earliest dateable features are a doorway and window from the 15th century. The fittings are mainly from the late 18th century, and include a pulpit and reading desk.{{Cadw|desc=Church of St Cwyllog|num=5394|fewer-links=yes|accessdate=18 April 2013|archive-url=https://web.archive.org/web/20110929074609/http://jura.rcahms.gov.uk/cadw/cadw_eng.php?id=5394|archive-date=29 September 2011|url-status=live}} In the village of Llanddyfnan is Saint Dyfnan's Church, dating from the 14th century, and which includes a doorway to the nave with a two-centred head and carved nude figures.{{Coflein|desc=St Dyfnan's Church|num=28808|accessdate=18 April 2013}} The churchyard includes the graves of some of the victims of the Royal Charter shipwreck of 1859. The ship, travelling from Melbourne to Liverpool with 371 passengers and 112 crew, was driven onto rocks at Moelfre by {{convert|100|mph|kph}} winds. Over 450 people died. The aftermath was reported by Charles Dickens in The Uncommercial Traveller, and the disaster led the Meteorological Office to introduce the first gale warnings.{{Coflein|desc=Royal Charter|num=426|fewer-links=yes|accessdate=18 April 2013}} Nearby is a standing stone {{convert|8.5|ft|m}} high, thought to date from the Bronze Age.{{Coflein|desc=Llanddyfnan Standing Stone|num=302506|fewer-links=yes|accessdate=18 April 2013}}

Cors Bodeilio, near Talwrn, is a national nature reserve and wetland of international importance. It is a mire in a shallow limestone valley, where fen species prosper. The site contains uncommon species, including fen pondweed, orchids, curlews, lapwings and snipes.{{cite web|title=Cors Bodeilio |url=http://www.ccgc.gov.uk/landscape--wildlife/protecting-our-landscape/special-landscapes--sites/protected-landscape/national-nature-reserves/cors-bodeilio.aspx |work=Landscape and Wildlife |publisher=Countryside Council for Wales |accessdate=18 April 2013 |url-status=dead |archiveurl=https://web.archive.org/web/20150402180103/http://www.ccgc.gov.uk/landscape--wildlife/protecting-our-landscape/special-landscapes--sites/protected-landscape/national-nature-reserves/cors-bodeilio.aspx |archivedate=2 April 2015 }} Cors Erddreiniog, also a national nature reserve and located north east of Tregaian, has been described as the "Jewel in the crown of the Anglesey fens" and is home to the bog myrtle, marsh gentian, southern damselfly and hen harrier.{{cite web|title=Cors Erddreiniog |url=http://www.ccgc.gov.uk/landscape--wildlife/protecting-our-landscape/special-landscapes--sites/protected-landscapes-and-sites/sssis/sssi-sites/cors-erddreiniog.aspx |work=Landscape and Wildlife |publisher=Countryside Council for Wales |accessdate=18 April 2013 |url-status=dead |archiveurl=https://web.archive.org/web/20150402122247/http://www.ccgc.gov.uk/landscape--wildlife/protecting-our-landscape/special-landscapes--sites/protected-landscapes-and-sites/sssis/sssi-sites/cors-erddreiniog.aspx |archivedate=2 April 2015 }}

Most of the community lies within the Canolbarth Môn electoral ward, which is represented by three county councillors on the Isle of Anglesey County Council. The northern 'finger' of the community, including Capel Coch and Maenaddwyn, lies in the Lligwy ward.

Llanddyfnan has a community council, with ten community councillors.[http://llanddyfnan.org/cynghorwyr-councillors/ Cynghorwyr / Councillors], Llanddyfnan.org. Retrieved 8 July 2018.

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{{Commons category-inline|Llanddyfnan}}

• [http://www.visionofbritain.org.uk/place/5389 A Vision of Britain Through Time]
• [http://www.britishlistedbuildings.co.uk/wales/isle+of+anglesey/llanddyfnan British Listed Buildings]
• [http://www.genuki.org.uk/big/wal/AGY/Llanddyfnan/index.html Genuki]
• [https://www.geograph.org.uk/gridref/SH5078 Geograph]
• [http://www.neighbourhood.statistics.gov.uk/dissemination/LeadAreaSearch.do?a=7&c=llannefydd+community&d=16&r=1&i=1001&m=0&s=1366296960351&enc=1&areaSearchText=Llanddyfnan&areaSearchType=16&extendedList=true&searchAreas= Office for National Statistics]

{{Anglesey}}

{{Communities of Anglesey}}

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Category:Burial sites of the Children of Brychan