Pola de Siero
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 . 
<triplet> Gijón <subj> Llanera <obj> shares border with <subj> Sariego <obj> shares border with <triplet> Langreo <subj> San Martín del Rey Aurelio <obj> shares border with <subj> Oviedo <obj> shares border with <triplet> San Martín del Rey Aurelio <subj> Langreo <obj> shares border with <subj> Bimenes <obj> shares border with <triplet> Llanera <subj> Gijón <obj> shares border with <subj> Oviedo <obj> shares border with <triplet> Oviedo <subj> Langreo <obj> shares border with <subj> Llanera <obj> shares border with <triplet> Sariego <subj> Gijón <obj> shares border with <subj> Nava <obj> shares border with <triplet> Nava <subj> Sariego <obj> shares border with <subj> Bimenes <obj> shares border with <triplet> Bimenes <subj> San Martín del Rey Aurelio <obj> shares border with <subj> Nava <obj> shares border with