2023 European Youth Summer Olympic Festival
| Host city | Maribor |
|---|---|
| Country | Slovenia |
| Motto | One City, One Heart (Slovene: Eno mesto, eno srce) |
| Nations | 48 |
| Athletes | 2,419 |
| Sport | 10 sports |
| Opening | 23 July 2023 |
| Closing | 29 July 2023 |
| Opened by | Nataša Pirc Musar |
| Torch lighter | Tim Marovt |
| Main venue | Ljudski vrt (opening ceremony) |
| Website | eyof-maribor |
| Summer | |
| Winter | |
The 2023 European Youth Summer Olympic Festival or simply EYOF 2023, also known as Maribor 2023, was the 17th edition of the European Youth Summer Olympic Festival, held from 23 to 29 July 2023 in Maribor, Slovenia. The festival was originally supposed to take place in Koper, Slovenia. In June 2021, Maribor was announced as the new host city after Koper withdrew its candidacy.