Naka-ku (中区, lit. "central ward") is the heart of Hiroshima, Japan. The Japanese city of ( is the capital of Hiroshima Prefecture, and the largest city in the Chūgoku region of western Honshū, the largest of Japan 's For a topic outline on this subject see List of basic Japan topics. Naka-ku is home to Hiroshima's central business district and Peace Memorial Park. Major attractions include the Hondori shopping arcade, a covered mall-like street of shops extending east from the Hiroshima Peace Memorial Park to Hacchobori. is a commercial area in Naka-ku, Hiroshima, Japan, which centers on the Hondōri street which today is a shopping arcade is a large park in the center of Hiroshima, Japan. It is dedicated to the legacy of Hiroshima as the first city in the world to suffer a nuclear attack ( Also in Naka-ku is Okonomi-mura - a building housing a number of restaurants that serve Hiroshima's famous food, okonomiyaki. is a Japanese dish consisting of a pan-fried batter cake and various ingredients