found:Saratxaga Garai, Aranzazu. Areatza-Villaro, 2003:p. 11, etc. (1st written reference in foundation charter of 1338: Villa de Haro (Villaro) [no publs. in LC data base]; villa de Areatza, most southern part of Bizkaia)
found:Pueblos de España website, June 18, 2004(Areatza; Vizcaya)
notfound:GEOnet, June 18, 2004;Global gaz. website, version 2;Nomenclátor comercial pueblos de España, 1977