- Back A Premodern History of Odawara Throughout Japanese history there have been several cities which have housed the national capitol, each of which, in modern Japan, is an important cultural and tourist center. Although Odawara never served as the national capitol, it did serve, for a period of a hundred years during the Warring States Period, an important role as the center of power in the ...www.anime.net/~roba/odawara.htm