Big Week 2016 - Castro-Urdiales from June 23 to July 1. Past days. Thursday, June 23 Friday, June 24 Saturday, June 25 Sunday, June 26 Monday, June 27 Tuesday, June 28 Wednesday, June 29 Thursday, June 30 Friday, July 1 Saturday, July 2 You might be also interested in: Saint John 2016 - Muskiz (Biscay) - 15 Kms. Fiesta of Sestao 2016 - Sestao (Biscay) - 28 Kms. Saint John 2016 - Lejona (Biscay) - 29 Kms. Saint Peter 2016 - Limpias - 20 Kms. Neighbourhood Fiesta in Aranguren 2016 - Aranguren (Biscay) - 25 Kms.