| Official Name: | Idrija pri Bači |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Slovenian Littoral |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Gorizia |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Tolmin |
| Area Total Km2: | 5.03 |
| Population As Of: | 2002 |
| Population Total: | 313 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.1387°N 13.7793°W |
| Elevation M: | 174.8 |
| Footnotes: | [1] |
Idrija pri Bači (in Slovenian pronounced as /ˈiːdɾija pɾi ˈbaːtʃi/) is a village on the right bank of the Idrijca River in the Municipality of Tolmin in the Littoral region of Slovenia.[2]
The parish church in the settlement is dedicated to John the Baptist and belongs to the Koper Diocese.[3]
Archaeological excavations near the settlement in the late 19th century revealed a late Iron Age (5th century BC) necropolis of 47 graves with finds of tools and inscriptions in Venetic.[4]