Guardo is a town and municipality situated in the Montaña Palentina region in the far north of the province of Palencia, in the autonomous …Guardo is a town and municipality situated in the Montaña Palentina region in the far north of the province of Palencia, in the autonomous community of Castile and León, Spain. As of 2023, the municipality had 5653 residents, making it the third most populated settlement in the province.