Llanynys zo ur gêriadenn, ur barrez hag ur gumuniezh e kontelezh Sir Ddinbych, Kembre, 247xa0km eus Kerdiz. E 2011 e oa poblet gant 738 a dud, ha 353 anezho (47,8%) a oa kembraegerien<ref>{{cite web| url=http://www.ons.gov.uk/ons/rel/census/2011-census/key-statistics-for-unitary-authorities-in-wales/stb-2011-census-key-statistics-for-wales.html| title=Statistical bulletin: 2011 Census: Key Statistics for Wales, Mawrth 2011| publisher=Swyddfa Ystadegau Cenedlaethol (The Office For National Statistics| accessdate=2014-04-09}}</ref>.