| Ardu | |
|---|---|
| Small borough | |
| Country | Estonia |
| County | Harju County |
| Municipality | Kose Parish |
| Time zone | EET (UTC+2) |
| • Summer (DST) | EEST (UTC+3) |
Ardu is a small borough (Estonian: alevik) in Kose Parish, Harju County in northern Estonia.
Coordinates: 59°06′N 25°22′E / 59.100°N 25.367°E