August 20, 2022

Hiroshima (Japanese: 広島市, Hiroshima-shi) is the capital of Hiroshima Prefecture in the Chūgoku region of Japan. In 2014, the population of Hiroshima was approximately 1.19 million and the population density was 1,311 inhabitants per square kilometer. The total area of ​​the city is 905.41 km². Along with Nagasaki, Hiroshima is one of the two cities on which the United States dropped an atomic bomb during World War II. Hiroshima has been chosen as one of Japan's official major cities.

Geography and Climate

The city is located in the southwestern part of the island of Honshū in the Ōta River estuary, and the six branches of the river divide the city into several islands. The hottest month of the year is August, when the highest daily temperature is over 30 °C. In January and February, the lowest daily temperature is close to 0 °C. It rains the most in June, more than 250 mm.


Hiroshima was founded in 1589. It received city rights on April 1, 1889.

The bombing of Hiroshima in World War II

On August 6, 1945, at 8:15 a.m., an atomic bomb called "Little Boy" was dropped on Hiroshima from a B-29 Superfortress, which had an explosive force equivalent to 15 kilotons of TNT. The bomb exploded after about 45 seconds at an altitude of 580 meters. The temperature on the surface of the earth rose to over 7,000 degrees in a fraction of a second, 70,000 of Hiroshima's 343,000 inhabitants died immediately and two-thirds of the city was destroyed. By the end of the year, there were already 140,000 dead, and over the next few years, many fell ill with cancer.

Reconstruction into the City of Peace

The city was rebuilt after World War II. Hiroshima received a large number of trams as a donation. Today, the city has Japan's most extensive tram network. In 1949, the Japanese parliament declared Hiroshima a City of Peace at the initiative of the city's mayor, Shinzō Hamai. The city became a popular venue for conferences dealing with peace and social issues. Hiroshima Peace Research Institute was founded in 1998 in connection with Hiroshima University. The Hiroshima Peace Memorial is a former exhibition hall that was the only building near the hypocenter of the Hiroshima nuclear bomb explosion, and one of the few buildings in all of Hiroshima to survive the blast standing. The hall is currently a UNESCO World Heritage Site.


Hiroshima is the industrial center of the Chūgoku-Shikoku region. Mazda is the city's largest employer. In addition to cars and car parts, the local industry produces steel, rubber, ships, chemicals and machinery.


Hiroshima is divided into eight large areas. Among them, Asaminami-ku has the largest population, and Asakita-ku in terms of surface area. Naka-ku forms the core of the city.

Twin Cities

Volgograd, Russia Chongqing, China Daegu, South Korea Hanover, Germany Honolulu, Hawaii, United States Montreal, Canada


On topic elsewhere

Pictures or other files about Hiroshima on Wikimedia Commons