| Official Name: | Zastranje |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Styria |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Savinja |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Šmarje pri Jelšah |
| Area Total Km2: | 0.22 |
| Population As Of: | 2002 |
| Population Total: | 27 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.2367°N 15.5181°W |
| Elevation M: | 277.1 |
| Footnotes: | [1] |
Zastranje (pronounced as /sl/) is a small settlement just north of Šmarje pri Jelšah in eastern Slovenia. The area is part of the traditional region of Styria. The Municipality of Šmarje pri Jelšah is now included in the Savinja Statistical Region.[2]
Remains of a Roman Villa rustica have been identified in the Grobelce part of settlement.[3]