:* yellow - areas formerly within the district borders during the early Meiji period
District Timeline Recent mergers • On March 31, 2005 - The town of
Kaminaka was merged with the town of
Mikata (from
Mikata District) to create the town of
Wakasa (now in
Mikatakaminaka District). (1 village) • On March 3, 2006 - The village of
Natashō was merged into the expanded town of
Ōi (in
Ōi District). Onyū District was dissolved as a result of this merger. ==References==