La Pola Siero is a town in the autonomous community of Asturias on the north coast of the Kingdom of Spain. It is the administrative capital of the municipality of Siero. Pola de Siero is located in the centre of Asturias, approximately 16 km east of the regional Capital Oviedo and 16 km south of Gijón. Siero borders on the municipalities of Gijón, to the north, Langreo and San Martín del Rey Aurelio, to the south, Llanera and Oviedo, to the west, and Sariego, Nava and Bimenes, to the east.