Calista Corporation owns about 6.5 million acres (26,00 km2) in southwestern Alaska on the Yukon-Kuskokwim Delta and the Kuskokwim Mountains [despite much dispute over jurisdiction with indigenous rights holders.][REF]
Because of to the importance of the land to the traditional subsistence economies of the region's Yup'ik residents, including the bulk of Calista's shareholders, Calista concentrated most of its land selections under ANCSA in the areas surrounding the region's 56 villages.