Miami-Illinois (endonym: myaamia, [mjɑːmia]) is an indigenous Algonquian language spoken in the United States, primarily in Illinois, Missouri, Indiana, western Ohio and adjacent areas along the Mississippi River by the Miami and Wea as well as the tribes of the Illinois Confederation, including the Kaskaskia, Peoria, Tamaroa, and Mitchigamea. Since the 1990s, the Miami Tribe of Oklahoma has worked to revive it in a joint project with Miami University in Oxford, Ohio.