was a Japanese daimyo

Daimyo

is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 of 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....

, who ruled 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....

 following its confiscation from Asano Naganori

Asano Naganori

was the daimyo of the Akō Domain in Japan . His title was Takumi no Kami . He is known as the person who triggered a series of incidents retold in a story known as Chushingura, one of the favourite themes of kabuki, joruri and Japanese books and films.He was born in Edo as the eldest son of Asano...

. Naohiro was the eldest son of Nagai Naotsune

Nagai Naotsune

was a Japanese daimyo of the early Edo period. He served in a variety of positions in the Tokugawa Shogunate, including wakadoshiyori and Kyoto Shoshidai....

, and assumed family headship after his father's death. Upon the confiscation of the Nasu clan's territory in Shimotsuke Province

Shimotsuke Province

is an old province of Japan in the area of Tochigi Prefecture in the Kanto region. It was sometimes called or .The ancient capital of the province was near the city of Tochigi, but in feudal times the main center of the province was near the modern capital, Utsunomiya.-History:Different parts of...

, Naohiro was transferred there from his previous holdings in Kawachi

Kawachi Province

was a province of Japan in the eastern part of modern Osaka Prefecture. It originally held the southwestern area that was split off into Izumi Province...

, and thus became the lord of the Karasuyama Domain. Naohiro was appointed to the offices of jisha-bugyō

Bugyo

', often translated as "commissioner" or "magistrate" or "governor," was a title assigned to government officers in pre-modern Japan; other terms would be added to the title to describe more specifically a given commissioner's tasks or jurisdiction....

 and sōshaban

Sōshaban

were officials of the Tokugawa shogunate in Edo period Japan. Conventional interpretations have construed this Japanese title as "master of ceremonies."...

 in 1694, and in the fall of 1701, after the execution of Asano Naganori

Asano Naganori

was the daimyo of the Akō Domain in Japan . His title was Takumi no Kami . He is known as the person who triggered a series of incidents retold in a story known as Chushingura, one of the favourite themes of kabuki, joruri and Japanese books and films.He was born in Edo as the eldest son of Asano...

, he received a 3000 koku

Koku

The is a Japanese unit of volume, equal to ten cubic shaku. In this definition, 3.5937 koku equal one cubic metre, i.e. 1 koku is approximately 278.3 litres. The koku was originally defined as a quantity of rice, historically defined as enough rice to feed one person for one year...

 increase in stipend, becoming the new lord of Akō

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....

, with a territory of 33,000 koku

Koku

The is a Japanese unit of volume, equal to ten cubic shaku. In this definition, 3.5937 koku equal one cubic metre, i.e. 1 koku is approximately 278.3 litres. The koku was originally defined as a quantity of rice, historically defined as enough rice to feed one person for one year...

. However, because of the time-consuming nature of his work as jisha-bugyō

Bugyo

', often translated as "commissioner" or "magistrate" or "governor," was a title assigned to government officers in pre-modern Japan; other terms would be added to the title to describe more specifically a given commissioner's tasks or jurisdiction....

, the domain's affairs were run by his retainers. Naohiro subsequently became a wakadoshiyori

Wakadoshiyori

The ', or "Junior Elders", were high government officials in 17th century Tokugawa Japan. The position was established around 1631, but appointments were irregular until 1662....

 in 1704. He was moved to Iiyama

Iiyama Domain

The ' was a Japanese domain of the Edo period, located in Shinano Province . It was the scene of fighting during the Echigo Campaign of the Boshin War, between the imperial army and mixed forces of the former Tokugawa Shogunate and Ouetsu Reppan Domei.Iiyama was ruled by several different daimyo...

 in 1706, and Iwatsuki

Iwatsuki Domain

The ' was a Japanese domain of the Edo period. Located in Musashi Province , it was headquartered in Iwatsuki Castle.-List of daimyo:*Kōriki clan #Kiyonaga#Masanaga#Tadafusa...

 in 1711; Naohiro died soon after the move, in the summer of 1711. His son Naohira succeeded to the family headship.

Naohiro's grave is at Kōunji Temple, in Nakano City

Nakano, Tokyo

is one of the 23 special wards of Tokyo, Japan. In English, it calls itself Nakano City .As of April 1, 2011, the ward has an estimated population of 311,690 with a household number of 176,936 and a density of 19,992.94 persons per km². The total area is 15.59 km².-Geography:Five special wards...

, Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

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