In August 1945, the atomic bomb exploded just above this hospital and instantly killed about 80 people. In 1948, the hospital was rebuilt and remains in use today under the name Shima Geka Naika. There's a board dedicated to the victims in front of the hospital.
Wikipedia https://en.wikipedia.org/wiki/Shima_Hospital
Official Website https://www.shimagekanaika.jp/
Address Hiroshima, Japan
Coordinates 34°23'41.276" N 132°27'17.259" E