2017 European Youth Summer Olympic Festival
| Host city | Győr |
|---|---|
| Country | Hungary |
| Nations | 50 |
| Athletes | 3,675 |
| Sport | 10 |
| Events | 130 |
| Opening | 23 July 2017 |
| Closing | 30 July 2017 |
| Opened by | János Áder |
| Main venue | ETO Park (opening ceremony) |
| Summer | |
| Winter | |
The 2017 European Youth Summer Olympic Festival (Hungarian: 2017. évi nyári európai ifjúsági olimpiai fesztivál) was held in Győr, Hungary, between 23 July and 30 July 2017.