ALSEA ALSEA AND YAQUINA Alsea Territory: Coastal Oregon. PORTALS . Confederated Tribes of Siletz : part of whose membership is Alsea and Yaquina < Siletz, Oregon * . >Vol. 7: P. 569 Alsea Population: United States - ? P E N U T I A N ADS SEARCH ENGINE COLOSSUS International Directory of Search Engines Ezilon Directory North America