Complex sentence: Bellevue, Bothell, Kenmore, Kirkland, Redmond, and Woodinville are suburban cities that are considered part of the "Eastside", as they are situated on the east side of Lake Washington.
Split into simpler sentences: Bellevue, Bothell, Kenmore, Kirkland, Redmond, & Woodinville are suburban cities that are considered part of the Eastside. They are situated on the east side of Lake Washington.