Monasterboice
| Mainistir Bhuithe | |
| Round tower, high cross, church and gravestones at Monasterboice | |
| Monastery information | |
|---|---|
| Established | 5th century | 
| Disestablished | 1097 | 
| People | |
| Founder(s) | Saint Buithe (Saint Buithe mac Bronach) | 
| Site | |
| Location | County Louth, Ireland | 
| Coordinates | 53°46′39.53″N 6°25′02.43″W / 53.7776472°N 6.4173417°W | 
| Public access | yes | 
| Reference no. | 94 | 
The Monasterboice (Irish: Mainistir Bhuithe) ruins are the remains of an early Christian monastic settlement in County Louth in Ireland, north of Drogheda. The ruins are a national monument of Ireland and also give their name to the local village and to a civil parish of the same name.