Former Hiroshima Post Office Hospital Outpatient Building Peace Memorial Museum (Atomic Bomb Survived Building)

The former Hiroshima Post Office Hospital outpatient building, a building that survived the atomic bombing, was constructed in 1935 as an affiliated hospital (workplace hospital) for the former Hiroshima Post Office. After the bombing, it was overwhelmed with numerous injured patients, and the staff worked tirelessly to treat them. As one of the few remaining medical facilities in the city, it played a crucial role in both medical care and research. Later, in 1995, Japan Post Holdings Co., Ltd. (then the Chugoku Postal Bureau) renovated a portion of the former outpatient building and operated it as an atomic bomb-related materials room. After receiving it as a donation from the city in July 2018, visits were by reservation only. However, in May 2026, after a complete renovation, it was redesignated as an affiliated exhibition facility of the Hiroshima Peace Memorial Museum, and opened permanently as the "Former Hiroshima Post Office Hospital Outpatient Building Peace Museum."

This museum features a "video theater" where viewers can experience the feeling of being inside the hospital at the time, through guidance videos that recreate the building in three dimensions based on architectural drawings, in addition to photographs, videos, and testimonies from those involved. Furthermore, the former sterile operating room and former sterilization room have been recreated to reflect their condition at the time of completion, creating a space that evokes the post-bombing postal hospital. Exhibits include explanations of the bomb-damaged tiles and photographs of treatment scenes inside the hospital after the bombing.