Main Page | See live article | Alphabetical index Usuki, view from the station entrance Usuki (臼杵市; -shi) is a city located in Oita, Japan. As of 2003, the city has an estimated population of 35,106 and the density of 231.22 persons per km². The total area is 151.83 km². The city was founded on April 1, 1950. External Links Official website in Japanese This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.