The villages "de la Reina" Curiosity · Boca de Huérgano, La Montaña de Riaño, León Villafrea, Los Espejos, Barniedo and Portilla all carry the surname de la Reina, and with Llánaves, Siero, Valverde de la Sierra and Besande they complete a municipality of 288 square kilometres and a little over four hundred households. Photo: Asqueladd (CC BY-SA 3.0) What to see and do in Boca de Huérgano