Australia (a country consisting of a main island, the island of Tasmania and other smaller islands, located in Oceania; historically, a collection of former colonies of the British Empire); Australia (a continent consisting of the land on the Australian tectonic plate, i.e. Australia, New Guinea and intervening islands)
Austrasia (an early-medieval geographic region corresponding to the homeland of the Merovingian Franks in modern western Germany, northeastern France, Belgium and parts of the Netherlands)
a surname; Avellaneda (a municipality in Ávila province, Castile and León, Spain).; Avellaneda (a city, port, and partido in Buenos Aires province, Argentina).; Avellaneda (a department in Río Negro province, Argentina).; Avellaneda (a department in Santiago del Estero province, Argentina).