Day fair in Orio Sunday, June 16 12:00 Herrera 23 Kms. Fiesta of Herrera 2024 Day fair. You might be also interested in: Day fair in Gipuzkoa (1) Day fair in the province of Segovia (1) Day fair in the province of Valladolid (2) Day fair in the Community of Madrid (3) Day fair in the province of Leon (13)