WALLA WALLA WALULA - WOLLAW WOHLAH - KIOUS : Click for PALUS or WANAPUM   Walla Walla Territory: Southeast Washington State.   Portals .   Confederated Tribes of the Umatilla Indian Reservation : part of whose membership is Walla Walla Pendleton, Oregon #87 Walla Walla Population United States (2010) - 550 P E N U T I A N SAHAPTIAN