The Archaeological Institute of America (AIA) is North America's oldest society and largest organization devoted to the world of archaeology. AIA professionals have carried out archaeological fieldwork around the world and AIA has established research centers and schools in seven countries. It has more than 200,000 members and more than 100 affiliated local societies in the United States and overseas. AIA members include professional archaeologists and members of the public. The institute publishes a scholarly journal, the American Journal of Archaeology (AJA) and the magazine Archaeology.