or Banshu was a province

Provinces of Japan

Before the modern prefecture system was established, the land of Japan was divided into tens of kuni , usually known in English as provinces. Each province was divided into gun ....

 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...

 in the part of Honshū

Honshu

is the largest island of Japan. The nation's main island, it is south of Hokkaido across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyushu across the Kanmon Strait...

 that is the southwestern part of present-day Hyōgo Prefecture

Hyogo Prefecture

is a prefecture of Japan located in the Kansai region on Honshū island. The capital is Kobe.The prefecture's name was previously alternately spelled as Hiogo.- History :...

. Harima bordered on Tajima

Tajima Province

was an old province of Japan in the area that is today northern Hyōgo Prefecture. It was sometimes called . Tajima bordered on Harima, Inaba, Tamba, and Tango provinces....

, Tamba

Tamba Province

was an old province of Japan. The ambit of its borders encompassed both the central part of modern Kyoto Prefecture and the east-central part of Hyōgo Prefecture. It was sometimes called , with Tango Province...

, Settsu

Settsu Province

was a province of Japan, which today comprises the eastern part of Hyōgo Prefecture and the northern part of Osaka Prefecture. It was also referred to as or .Osaka and Osaka Castle were the main center of the province.-History:...

, Bizen

Bizen Province

was a province of Japan on the Inland Sea side of Honshū, in what is today the southeastern part of Okayama Prefecture. It was sometimes called , with Bitchu and Bingo Provinces. Bizen borders Mimasaka, Harima, and Bitchū Provinces....

, and Mimasaka

Mimasaka Province

or was a province of Japan in the part of Honshū that is today northeastern Okayama Prefecture. Mimasaka bordered Bitchū, Bizen, Harima, Hōki, and Inaba Provinces....

 Provinces. Its capital was Himeji

Himeji, Hyogo

is a city located in Hyōgo Prefecture in the Kansai region of Japan. As of April 1, 2011, the city has an estimated population of 535,945, with 206,409 households. The total area is 534.43 km².- History :...

.

During the Edo Period

Edo period

The , or , is a division of Japanese history which was ruled by the shoguns of the Tokugawa family, running from 1603 to 1868. The political entity of this period was the Tokugawa shogunate....

 of Japanese history

History of Japan

The history of Japan encompasses the history of the islands of Japan and the Japanese people, spanning the ancient history of the region to the modern history of Japan as a nation state. Following the last ice age, around 12,000 BC, the rich ecosystem of the Japanese Archipelago fostered human...

, the Akō Domain

Ako Domain

The was a domain in feudal Japan. It was located in Harima Province and coincided with the present-day cities of Akō and Aioi and the town of Kamigōri in Hyōgo Prefecture. The domain had its headquarters at Akō Castle....

 (fief) was part of Harima. The Forty-seven Ronin

Forty-seven Ronin

The revenge of the , also known as the Forty-seven Samurai, the Akō vendetta, or the took place in Japan at the start of the 18th century...

 were samurai

Samurai

is the term for the military nobility of pre-industrial Japan. According to translator William Scott Wilson: "In Chinese, the character 侍 was originally a verb meaning to wait upon or accompany a person in the upper ranks of society, and this is also true of the original term in Japanese, saburau...

 of the Akō han. Ishikawajima-Harima Heavy Industries

Ishikawajima-Harima Heavy Industries

, formerly known as , is a Japanese company which produces ships, aero-engines, turbochargers for automobiles, industrial machines, power station boilers and other facilities, suspension bridges and other transport-related machinery....

, a shipbuilder and major Boeing

Boeing

The Boeing Company is an American multinational aerospace and defense corporation, founded in 1916 by William E. Boeing in Seattle, Washington. Boeing has expanded over the years, merging with McDonnell Douglas in 1997. Boeing Corporate headquarters has been in Chicago, Illinois since 2001...

engine subcontractor gets its name from the province.