was an old 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...

 that is now the western half of present day Aichi Prefecture

Aichi Prefecture

is a prefecture of Japan located in the Chūbu region. The region of Aichi is also known as the Tōkai region. The capital is Nagoya. It is the focus of the Chūkyō Metropolitan Area.- History :...

, including much of modern Nagoya. Its abbreviation is Bishū (尾州).

History

The province was created in 646.

The ancient capital of Owari was near Inazawa

Inazawa, Aichi

is a city located in Aichi, Japan. The city was founded on November 1, 1958. As of February 1, 2010 the city has an estimated population of 136,904 and a population density of 1,730 persons per km²...

 in the western part of the province. Two of the most famous warlords of Japan's Sengoku Period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

, Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

 and Toyotomi Hideyoshi

Toyotomi Hideyoshi

was a daimyo warrior, general and politician of the Sengoku period. He unified the political factions of Japan. He succeeded his former liege lord, Oda Nobunaga, and brought an end to the Sengoku period. The period of his rule is often called the Momoyama period, named after Hideyoshi's castle...

, were natives of Owari Province, as was Katō Kiyomasa

Kato Kiyomasa

was a Japanese daimyō of the Azuchi-Momoyama and Edo period.-Origins and early career:Kiyomasa was born in Owari Province to Katō Kiyotada. Kiyotada's wife, Ito, was a cousin of Toyotomi Hideyoshi's mother. Kiyotada died while his son was still young...

. Nobunaga held Kiyosu Castle

Kiyosu Castle

is a castle that acted as a base of operations for Oda Nobunaga during the latter half of the Sengoku period of feudal Japan. It is located in the city of Kiyosu, Aichi Prefecture, Japan....

 in Kiyosu

Kiyosu, Aichi

was a town located in Nishikasugai District, Aichi, Japan., the town had an estimated population of 19,409 and a density of 3,696.95 persons per km²...

 for some time. Chikamatsu Shigenori

Chikamatsu Shigenori

, warrior and tea ceremony enthusiast, was born in Owari Province in 1695. His father, Chikamatsu Shigekiyo, was a retainer of the Tokugawa clan....

, warrior and tea ceremony

Tea ceremony

A tea ceremony is a ritualised form of making tea. The term generally refers to either chayi Chinese tea ceremony, chado Japanese tea ceremony, tarye Korean tea ceremony. The Japanese tea ceremony is more well known, and was influenced by the Chinese tea ceremony during ancient and medieval times....

 enthusiast, was born in Owari Province in 1695.

Tokugawa Ieyasu

Tokugawa Ieyasu

 was the founder and first shogun of the Tokugawa shogunate of Japan , which ruled from the Battle of Sekigahara  in 1600 until the Meiji Restoration in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but...

 established the Tokugawa Shogunate

Tokugawa shogunate

The Tokugawa shogunate, also known as the and the , was a feudal regime of Japan established by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family. This period is known as the Edo period and gets its name from the capital city, Edo, which is now called Tokyo, after the name was...

 at Nagoya Castle

Nagoya Castle

is a Japanese castle located in Nagoya, central Japan. During the Edo period, Nagoya Castle was the center of one of the most important castle towns in Japan—Nagoya-juku— and it included the most important stops along the Minoji, which linked the Tōkaidō with the Nakasendō.-History:In...

 in Nagoya

Nagoya, Aichi

is the third-largest incorporated city and the fourth most populous urban area in Japan.Located on the Pacific coast in the Chūbu region on central Honshu, it is the capital of Aichi Prefecture and is one of Japan's major ports along with those of Tokyo, Osaka, Kobe, Yokohama, Chiba, and Moji...

, Aichi Prefecture

Aichi Prefecture

is a prefecture of Japan located in the Chūbu region. The region of Aichi is also known as the Tōkai region. The capital is Nagoya. It is the focus of the Chūkyō Metropolitan Area.- History :...

, and placed one of his sons in charge of the Owari Domain

Owari Domain

The was a feudal domain of Japan in the Edo period. Located in what is now the western part of Aichi Prefecture, it encompassed parts of Owari, Mino, and Shinano provinces. Its headquarters were at Nagoya Castle. At its peak, it was rated at 619,500 koku, and was the largest holding of the...

, the largest domain in the Tokugawa family holdings outside of the shogunate itself.

In 1871, with the abolition of feudal domains

Abolition of the han system

The was an act, in 1871, of the new Meiji government of the Empire of Japan to replace the traditional feudal domain system and to introduce centralized government authority . This process marked the culmination of the Meiji Restoration in that all daimyo were required to return their authority...

 and the establishment of prefectures (廃藩置県 Haihan Chiken) after the Meiji Restoration

Meiji Restoration

The , also known as the Meiji Ishin, Revolution, Reform or Renewal, was a chain of events that restored imperial rule to Japan in 1868...

, the provinces of Owari and Mikawa

Mikawa Province

is an old province in the area that today forms the eastern half of Aichi Prefecture. It was sometimes called . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces....

 were combined to eventually establish Aichi Prefecture in late 1872.

Geography

Owari and Mino provinces were separated by the Sakai River

Sakai River (Gifu)

The is a river in Japan which flows through Gifu Prefecture. It is part of the Kiso River system.-Geography:The river originates in Kakamigahara, then flows through Gifu, Ginan, Kasamatsu and Hashima, where it flows into the Nagara River.-History:...

, which means "border river."