Cidacos park

Calahorra [pronounced [kalaˈora]] (Aragonese: Calagorra, Latin: Calagurris) La Rioja, Spain is a municipality in the comarca of Rioja Baja, near the border with Navarre on the right bank of the Ebro. During Ancient Roman times, Calahorra was a municipium known as Calagurris Nassica Iulia.

The Cathedral of Santa María (Spanish: Catedral de Santa María) is a cathedral located in Calahorra (in La Rioja, Spain). It was declared Bien de Interés Cultural in 1931.

The Roman Catholic Diocese of Calahorra y La Calzada-Logroño (Latin: Calaguritan(us) et Calceaten(sis) – Lucronien(sis)) is a diocese located in the cities of Calahorra, Santo Domingo de la Calzada, and Logroño in the Ecclesiastical province of Pamplona y Tudela in Spain.