Deganwy is a small town in the county borough of Conwy. It is located south of Llandudno, and to the east of Conwy, which is on the opposite side of the River Conwy. Conwy [county borough] is a local government principal area in north Wales. ... Llandudno is a seaside resort and town in the county borough of Conwy in North Wales. ... Conwy (formerly anglicised as Conway) is a town in Conwy county borough, North Wales, UK, which faces the resort of Llandudno across the Conwy Estuary. ... The River Conwy, or, in Welsh Afon Conwy , is a river in North Wales. ...

It's most notable feature is Deganwy castle, which was built by King Henry III of England in 1245 and later demolished by Llywelyn ap Gruffydd so that only ruins remain today. Deganwy was at one time the main seat of the kings and princes of Gwynedd, and Maelgwn Gwynedd was said to have his court here in the 6th Century. Rulers with the title Henry III include: Henry III of Champagne Henry III of England Henry III of France Henry III of Germany (later Henry II, Holy Roman Emperor) Henry III, Holy Roman Emperor Henry III of Navarre (later Henry IV of France) Henry III, Duke of Saxony (Henry the... Events Rebellion against king Sancho II of Portugal in favor of his brother Alphonso. ... Arms used by Llywelyn ap Gruffydd Llywelyn ap Gruffudd or Gruffydd (c. ... Maelgwn ap Cadwallon (480-547, reigned from 520s?) (Latin: Maglocunus; English: Malcolm), also known as Maelgwn Gwynedd and Maelgwn Hir (the Tall), was king of Gwynedd, and a character from Celtic mythology. ...