was a

district A district is a type of administrative division that in some countries is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or county, counties, several municipality, municip ...

located in

Shizuoka Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,555,818 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Pref ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. At the 2005 Census, the district had an estimated

population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...

of 16,938. The total area was 13.47 km². *On July 1, 2005, the towns of Maisaka and Yūtō, along with the cities of Tenryū and Hamakita, the town of Haruno (from Shūchi District), the towns of Hosoe, Inasa and Mikkabi (all from Inasa District), the towns of Misakubo and Sakuma, and the village of Tatsuyama (all from Iwata District), were merged into the expanded city of

Hamamatsu is a Cities of Japan, city located in western Shizuoka Prefecture, Japan. In September 2023, the city had an estimated population of 780,128 in 340,591 households, making it the prefecture's largest city, with a population density of over the t ...

; this left district with one municipality. *On March 23, 2010, the town of

Arai __NOTOC__ Arai may refer to: Places * Arain, Armenia * Arai, Niigata, Japan * Arai, Shizuoka, Japan People *Arai (surname) Companies * Arai Helmet (アライ), a Japanese motorcycle helmet manufacturer * ARAI (Automotive Research Association of ...

was merged into the expanded city of Kosai. Hamana District was dissolved as a result of this merger.

District Timeline

*October 1, 1955 – The village of Sekishi was merged into the city of

. *March 31, 1957 – The villages of Irino and parts of Koto were merged into the city of

. *October 1, 1960 – The village of Koto was merged into the city of

. *June 20, 1961 – The village of Shinohara was merged into the city of

. *July 1, 1963 – The town of Hamakita was elevated to city status. (Main article: City of Hamakita) *July 1, 1965 – The village of Shonai was merged into the city of

. *January 1, 1972 – The town of Kosai was elevated to city status. (Main article: City of Kosai) *May 1, 1991 – The village of Kami was merged into the city of

. *July 1, 2005 – The towns of Maisaka and Yūtō, along with the cities of Tenryū and Hamakita, the town of Haruno (from Shūchi District), the towns of Hosoe, Inasa and Mikkabi (all from Inasa District), the towns of Misakubo and Sakuma, and the village of Tatsuyama (all from Iwata District), were merged into the expanded city of

. *March 23, 2010 – The town of

was merged into the expanded city of Kosai. Hamana District was dissolved as a result of this merger.

References

Former districts of Shizuoka Prefecture {{Shizuoka-geo-stub