<Tr> <Th> Postal code </Th> <Td> 48114 </Td> </Tr> <P> Arrieta (both in Basque and Spanish) is a town and municipality located in the province of Biscay, in the Basque Country, Spain . Arrieta is part of the comarca of Mungialdea and has a population of 552 inhabitants as of 2007 . </P> <P> This municipality has its origin in the elizate Líbano de Arrieta, which became a municipality in the 19th Century . The toponym Arrieta comes from the Basque word harrieta, which means "stony place". </P>

Where does the last name arrieta come from