The province of Badajoz is a province of western Spain located in the autonomous community of Extremadura. It was formed in 1833. It is bordered by the provinces of Cáceres, Toledo, Ciudad Real, Córdoba, Seville, and Huelva, and by Portugal.
With its area of 21,766 km², it is the largest province in Spain. The other province of Extremadura, Cáceres, is the second largest.