Aste Nagusia
| Aste Nagusia | |
|---|---|
Marijaia in Teatro Arriaga, 2005 | |
| Type | Cultural |
| Significance | Assumption of Mary |
| Celebrations | Parties |
| Date | Nine days starting the first Saturday after 15 August |
| 2024 date | 17–25 August |
| 2025 date | 16–24 August |
| 2026 date | 22–30 August |
| 2027 date | 21–29 August |
| Frequency | Annual |
Aste Nagusia or "The Great Week" (Basque: Bilboko Aste Nagusia, Spanish: Semana Grande de Bilbao) is the main festival of Bilbao, Basque Country, Spain, which is celebrated annually over 9 days beginning on the first Saturday following 15 August, the festivity of the Assumption of Our Lady.