Main Page | See live article | Alphabetical index The Han were the feudal clans of Japan that existed before the Meiji reformation, when they were disbanded in favor of the formation of prefectures. They were traditionally led by a daimyo which surpassed 10,000 koku. The richest is Kaga han with 1 millon koku. See also: Abolition of the Han system This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.