Washington is part of a region known as the Pacific Northwest, a term which always includes Washington and Oregon and may or may not include some or all of the following, depending on the user's intent: Idaho, western Montana, northern California, British Columbia, and Alaska.
The high mountains of the Cascade Range run north-south, bisecting the state.
‘You’re supporting a system of degradation,” Melissa Farley, Emily Schuckman, Jacqueline M.
Golding, Kristen Houser, Laura Jarrett, Peter Qualliotine, Michele Decker.
In addition to Western Washington and Eastern Washington residents call the two parts of the state the "West side" and "East side", "Wet side" and "Dry side", or "Timberland" and "Wheatland", the latter pair more commonly in the names of region-specific businesses and institutions.