Coos Bay is a city located in Coos County, Oregon, United States, where the Coos River enters Coos Bay on the Pacific Ocean. The city borders the city of North Bend, and together they are often referred to as one entity called either Coos Bay-North Bend or Oregon's Bay Area.


North Bend is a city in Coos County, Oregon, United States with a population of 9,695 as of the 2010 census. North Bend is surrounded on three sides by Coos Bay, an S-shaped water inlet and estuary where the Coos River enters Coos Bay and borders the city of Coos Bay to the south.