The Monastery of Clonmacnoise.
The monastery of Clonmacnoise (Cluain Mhic Nóis in Irish, meaning "Meadow of the Sons of Nós", or perhaps, albeit less likely, Cluain Muccu Nóis "Meadow of the Pigs of Nós") is situated in County Offaly, Ireland on the River Shannon south of Athlone.
Clonmacnoise was founded in 544 by St. Ciarán, a young man from Rathcroghan, County Roscommon. location of the monastery helped it become a major centre of religion, learning, craftsmanship, and trade by the 9th century and together with Clonard it was the most famous in Ireland, visited by scholars from all over Europe.