| Building Name: | Santa Eulàlia d'Erill la Vall |
| Location: | Erill la Vall, Catalonia, Spain |
| Coordinates: | 42.5304°N 0.8322°W |
| Religious Affiliation: | Roman Catholic |
| Architecture Type: | Church |
| Architecture Style: | Romanesque |
| Map Type: | Spain |
| Designation1: | WHS |
| Designation1 Offname: | Catalan Romanesque Churches of the Vall de Boí |
| Designation1 Date: | 2000 (24th session) |
| Designation1 Criteria: | ii, iv |
| Designation1 Number: | 988 |
| Designation1 Type: | Cultural |
| Designation1 Free1name: | Region |
| Designation1 Free1value: | Europe and North America |
Santa Eulàlia d'Erill la Vall is a Romanesque church situated in Erill la Vall, in the territory of Vall de Boí, a commune in the valley with the same name and in Comarca of Alta Ribagorça in the north of Province of Lleida and the autonomous communities of Catalonia in Spain.
Like Sant Climent, Taüll, Sant Joan de Boí, Sant Feliu de Barruera or Santa Maria de Taüll, the date of construction of Sant Feliu is believed to be in 11th century.
In November 2000, it was included in the world heritage site of UNESCO with eight other Catalan Romanesque Churches of the Vall de Boí.[1]