Austria.

Austria, the place name and the family name; e.g. doña Margarita de Austria, the late spouse of the king of Spain, don Felipe III (central Mexico, 1614)
see Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 272–273.