Alfoz de Bricia is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 119 inhabitants.

The Alfoz de Bricia is composed of eleven towns: Barrio de Bricia (seat or capital), Bricia, Campino, Cilleruelo de Bricia, Linares de Bricia, Lomas de Villamediana, Montejo de Bricia, Presillas, Valderías, Villamediana de Lomas and Villanueva de Carrales.