Samiguel d'Ucio is one of nine parishes (administrative divisions) in Ribadesella, a municipality within the province and autonomous community of Asturias, in northern Spain.

It is 5.06 km2 (1.95 sq mi) in size, with a population of 367 (INE 2006).

Villages

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  • Ardines
  • Samiguel
  • Sardalla
  • Sebreñu

43°27′N 5°05′W / 43.45°N 5.09°W / 43.45; -5.09