Aranda de Duero is a city and municipality, capital of the Ribera del Duero comarca, in the south of the province of Burgos, in Castile and León, Spain. It has a population of roughly 33,000 people and lies on the River Duero. The closest international airport is Madrid Barajas.

The Ribera del Duero is a comarca or district located at the southern tip of the province of Burgos, part of the Spanish autonomous community of Castile and León. The capital of the Ribera del Duero comarca or district is the town of Aranda de Duero.