Aichi — a prefecture in the Chūbu region of Japan. Its capital is Nagoya; the area is notable for the automobile industry (e.g., Toyota).
愛知県の中心は名古屋市で、トヨタの本社が近いです。
Aichi Prefecture's center is Nagoya City, and Toyota's headquarters are nearby.
愛知出身の友人と週末に食事へ行った。
I went out to eat with a friend from Aichi over the weekend.
名古屋城は愛知の有名な観光地だ。
Nagoya Castle is a famous tourist spot in Aichi.