Calahorra, La Rioja, Spain is located in the comarca of La Rioja Baja, near the border with Navarre on the right bank of the Ebro.
The city is located on a hill at an altitude of 358 metres at the confluence of the Ebro and Cidacos rivers, and has an area of 91.41 km². Calahorra is the second-largest city in La Rioja in population and importance, after the capital, Logroño. Its population is 21,060 people.
It is well connected to other cities, especially by highway. It is situated in the Ebro valley, 48 kilometres from Logroño, 120 km from Zaragoza and 180 km from Bilbao, and is connected to these cities by national highway 232, the A-68 motorway (Vasco-Aragonesa) and the Bilbao-Zaragoza rail line.
Its daily bus services link it to such cities as Pamplona, Soria, and San Sebastián.
Its status as seat of a comarca and judicial district make it a service-industry city, in administrative, commercial, and leisure fields.