Oroville

== English == === Etymology === The town in California was originally called Ophir City, but the name was changed to Oroville when the first post office opened in 1854, from Spanish oro (“gold”) +‎ -ville. === Proper noun === Oroville A city, the county seat of Butte County, California, United States. A city in Okanogan County, in north-central Washington, United States.