As World War two went by, Hiroshima got the uranium fission atomic bomb on August 6 1945 and Nagasaki got the plutonium implosion type atomic bomb on August 9 1945.
The two cities of Japan which were hit by the atomic bomb by America were "NAGASAKI" and "HIROSHIMA".
In Hiroshima and Nagasaki, Japan.
Hiroshima and Nagasaki
They were dropped on Hiroshima and Nagasaki.
Hiroshima & Nagasaki.
See atomic bombings of Hiroshima and Nagasaki
Hiroshima and Nagasaki.
See: Atomic bombings of Hiroshima and Nagasaki
No Prefectures got blown up, the bombs weren't that powerful. Just the two cities of Hiroshima and Nagasaki. Hiroshima is contained within the Hiroshima Prefecture on Honshu island. Nagasaki is contained within the Nagasaki Prefecture on Kyushu island.
See website: Atomic bombings of Hiroshima and Nagasaki.
August 1945 I think it was the 6th Hiroshima & 8th Nagasaki
If you go to Wikipedia and search Bombings of Hiroshima and Nagasaki, they have a map.