On February 28, 2005 - the old city of
Sano absorbed the towns of
Kuzu and
Tanuma (both from
Aso District) to create the new and expanded city of Sano.
Aso District was dissolved as a result of this merger.
On March 20, 2006 - the old city of
Nikkō absorbed the city of
Imaichi, the town of
Ashio (from
Kamitsuga District), the town of
Fujihara, and the village of
Kuriyama (both from
Shioya District) to create the new and expanded city of Nikkō. With this merger, there are no more villages left in Tochigi Prefecture.
On February 28, 2005 - the old city of
Sano absorbed the towns of
Kuzu and
Tanuma (both from
Aso District) to create the new and expanded city of Sano.
Aso District was dissolved as a result of this merger.
On March 20, 2006 - the old city of
Nikkō absorbed the city of
Imaichi, the town of
Ashio (from
Kamitsuga District), the town of
Fujihara, and the village of
Kuriyama (both from
Shioya District) to create the new and expanded city of Nikkō. With this merger, there are no more villages left in Tochigi Prefecture.