was an administrative district of Japan located in southern Chiba Prefecture. During and before the Edo period, the district was called .

History

Hei District was one of the four modern districts created in former Awa Province on April 1, 1889. Much of the area of the district was formerly under the control of various minor feudal domains of former

Nagao Domain was a Japanese feudal domain of the early Meiji period, located in Awa Province. It was centered at what is now the Shirahama area of the city of Minamibōsō, Chiba in Chiba Prefecture. History In 1867, during the Meiji Restoration, the final ...

(38 villages),

Nishio Domain was a feudal domain of the Tokugawa shogunate of Edo period Japan, located in former Mikawa Province, in what is now the modern-day city of Nishio in Aichi Prefecture, Japan. It was centered on Nishio Castle. History When Tokugawa Ieyasu be ...

(11 villages),

Awa-Katsuyama Domain was a Han (Japan), feudal domain under the Tokugawa shogunate of Edo period Japan, located in Awa Province (Chiba), Awa Province (modern-day Chiba Prefecture), Japan. It was centered in what is now part of the city of Kamogawa, Chiba. History Mos ...

(9 villages), shared between Awa-Katsuyama and Nagao (13 villages) and under direct central government control (4 villages). At the time of its modern creation, the district consisted of eleven villages. The town of Nago was proclaimed in 1893, Katsuyama in 1896 and Hota in 1897. On April 1, 1897 Hei District was merged into Awa District, Chiba. The area of former Hei District covered all of modern

Kyonan 250px, View of Hota from Mount Nokogiri is a town located in Chiba Prefecture, Japan. , the town had an estimated population of 7,409 in 3543 households and a population density of 160 persons per km². The total area of the city is . Geography ...

and portions of Tateyama and

Minamibōsō is a city located in Chiba Prefecture, Japan. , the city had an estimated population of 37,143 in 17,175 households and a population density of 160 persons per km². The total area of the city is , making it the fifth largest city in Chiba Pr ...

. Former districts of Chiba Prefecture {{Chiba-geo-stub