Ambás (San Pedru Ambás) is one of 41 parishes (administrative divisions) in Villaviciosa, a municipality within the province and autonomous community of Asturias, in northern Spain.
Situated at 171m (561feet) above sea level, the parroquia is 4.24km2 in size, with a population of 138 (INE 2011). The postal code is 33311.