Österby
| Österby | |
|---|---|
| Village | |
| Country |
 Estonia |
| County | Lääne County |
| Parish | Noarootsi Parish |
| Time zone | EET (UTC+2) |
| • Summer (DST) | EEST (UTC+3) |
Österby is a village in Noarootsi Parish, Lääne County, in western Estonia. It is the only village in the parish which has retained its historical Swedish name without an equivalent in Estonian.
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Coordinates: 58°59′N 23°31′E / 58.983°N 23.517°E