What is the region that Chinook and Tillamook indians lived in?

The Chinook and Tillamook tribes lived in the Pacific Northwest region of the United States, primarily along the shores of the Columbia River and the coastal areas of Oregon. The Chinook were known for their fishing and trade along the river, while the Tillamook inhabited the coastal areas and relied on the abundant marine resources. Both tribes had a rich cultural heritage and engaged in sustainable practices that reflected their deep connection to the land and waterways.