was a city

Cities of Japan

||A is a local administrative unit in Japan. Cities are ranked on the same level as and , with the difference that they are not a component of...

 located in Akita

Akita Prefecture

is a prefecture of Japan located in the Tōhoku Region of northern Honshu, the main island of Japan. The capital is the city of Akita.- History :The area of Akita has been created from the ancient provinces of Dewa and Mutsu....

 in Tōhoku region

Tohoku region

The is a geographical area of Japan. The region occupies the northeastern portion of Honshu, the largest island of Japan. The region consists of six prefectures : Akita, Aomori, Fukushima, Iwate, Miyagi and Yamagata....

 of 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...

.

On 22 March 2005, the city was merged with the towns of Kamioka

Kamioka, Akita

was a town located in Senboku District, Akita, Japan.On March 22, 2005, the town was merged with the city of Ōmagari; the towns Nishisenboku, Nakasen, Kyōwa, Semboku, Ōta; and the village of Nangai, all from Semboku District to form the new city of Daisen....

, Nishisenboku

Nishisenboku, Akita

Nishisenboku was a town located in Senboku District, Akita, Japan.On March 22, 2005, the town was merged with the city of Ōmagari; the towns Kamioka, Nakasen, Kyōwa, Semboku, Ōta; and the village of Nangai, all from Senboku District to form the new city of Daisen.In 2003, the town had an estimated...

, Nakasen

Nakasen, Akita

Nakasen was a town located in Senboku District, Akita, Japan.On March 22, 2005, the town was merged with the city of Ōmagari; the towns Kamioka, Nishisenboku, Kyōwa, Semboku, Ōta; and the village of Nangai, all from Senboku District to form the new city of Daisen.In 2003, the town had an estimated...

, Kyōwa

Kyowa, Akita

was a town located in Senboku District, Akita, Japan.On March 22, 2005, the town was merged with the city of Ōmagari; the towns Kamioka, Nishisenboku, Nakasen, Semboku, Ōta; and the village of Nangai, all from Senboku District to form the new city of Daisen....

, Semboku, Ōta

Ota, Akita

Ōta was a town located in Senboku District, Akita, Japan.On March 22, 2005, the town was merged with the city of Ōmagari; the towns Kamioka, Nishisenboku, Nakasen, Kyōwa, Semboku; and the village of Nangai, all from Senboku District to form the new city of Daisen.In 2003, the town had an estimated...

; and the village of Nangai

Nangai, Akita

Nangai was a village located in Senboku District, Akita, Japan.On March 22, 2005, the village was merged with the city of Ōmagari and the towns Kamioka, Nishisenboku, Nakasen, Kyōwa, Semboku, Ōta, all from Senboku District to form the new city of Daisen.In 2003, the village had an estimated...

, all from Senboku District

Senboku District, Akita

is a district located in Akita, Japan. In 2005, the district has an estimated population of 23,757 and a density of 141.58 persons per km². The total area is 167.80 km².-Mergers:...

 to form the new city of Daisen

Daisen, Akita

is a city located in Akita Prefecture, Japan. As of 2011, it has an estimated population of 87,497 and an area of 866.68 km², giving a population density of 101 per square kilometer....

.

In 2003, the city had 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 39,048 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 372.99 persons per km². The total area was 104.69 km².

The city was founded on May 3, 1954.