Sanwa, Ibaraki
Encyclopedia
Sanwa is a town
Towns of Japan
A town is a local administrative unit in Japan. It is a local public body along with prefecture , city , and village...

 located in Sashima District
Sashima District, Ibaraki
Sashima is a district located in Ibaraki, Japan.Following the Bandō merger but with 2004 population data, the district has an estimated population of 125,153 and a density of 726 persons per km²...

, Ibaraki
Ibaraki Prefecture
is a prefecture of Japan, located in the Kantō region on the main island of Honshu. The capital is Mito.-History:Ibaraki Prefecture was previously known as Hitachi Province...

, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

.

As of 2003, the town has an estimated population
Population
A population is all the organisms that both belong to the same group or species and live in the same geographical area. The area that is used to define a sexual population is such that inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals...

 of 39,220 and a density
Population density
Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 of 787.87 persons per km². The total area is 49.78 km².

On September 12, 2005 Sanwa was merged with the town of Sōwa
Sōwa, Ibaraki
was a town located in Sashima District, Ibaraki, Japan.As of 2003, the town had an estimated population of 48,810 and a density of 924.43 persons per km². The total area was 52.80 km²....

, also from Sashima District
Sashima District, Ibaraki
Sashima is a district located in Ibaraki, Japan.Following the Bandō merger but with 2004 population data, the district has an estimated population of 125,153 and a density of 726 persons per km²...

, and the former city of Koga
Koga, Ibaraki
is a city located in Ibaraki, Japan.-Old City of Koga:The city has its origins in the Tokugawa period when a castle was built in the 16th century at the river crossing point and a town sprang up around it. The site of the castle is still visible near Koga 1st elementary school. The modern city was...

 to form the new city of Koga
Koga, Ibaraki
is a city located in Ibaraki, Japan.-Old City of Koga:The city has its origins in the Tokugawa period when a castle was built in the 16th century at the river crossing point and a town sprang up around it. The site of the castle is still visible near Koga 1st elementary school. The modern city was...

.
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