Six Nations of the Grand River First Nation | The largest First Nation in Canada with a total of 23,902 band members. 11,865 are reported living in the territory. It is the only territory in North America that has the six Iroquois nations living together. These nations are the Mohawk, Cayuga, Onondaga, Oneida, Seneca and Tuscarora. There are also some Delaware living in the territory. The acreage at present covers some 46,000 acres (190 km2) near the city of Brantford, Ontario.