was a
prefecture
A prefecture (from the Latin word, "''praefectura"'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain inter ...
in the
Chūbu region
The , Central region, or is a region in the middle of Honshū, Japan's main island. In a wide, classical definition, it encompasses nine prefectures (''ken''): Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, and Ya ...
of
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, comprising the former
Mikawa Province
was an Provinces of Japan, old province in the area that today forms the eastern half of Aichi Prefecture.Louis-Frédéric, Nussbaum, Louis-Frédéric. (2005). "''Mikawa''" in . Its abbreviated form name was . Mikawa bordered on Owari Province, O ...
and the
Chita Peninsula
The Chita Peninsula (知多半島 ''Chita Hantō'') is a peninsula to the south of Aichi Prefecture, central Honshū, Japan. It runs approximately north-south. To the west is Ise Bay, while to the east it encloses Mikawa Bay. It faces the Atsu ...
. It was merged into
Aichi Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,461,111 () and a geographic area of with a population density of . Aichi Prefecture borders Mie Prefecture to the ...
on November 27, 1872.
{{Aichi-geo-stub
Former prefectures of Japan