Merodio tana ɗaya daga cikin majami'u guda takwas (ƙungiyoyin gudanarwa) a cikin Peñamellera Baja, kuma ta kasance wata karamar hukuma ce a cikin lardin da kuma yankin Asturias mai cin gashin kanta, wanda ke arewacin Spain. Yawan ya kasance 90 a cikin 2013. "List of place name: Population of the Continuous Municipal Register by Population Unit", Instituto Nacional de Estadística