Hiroshima is a Japanese city located on the north coast of the Seto Inland Sea on the Honshū island. Hiroshima is the largest city of the Honshū island. The population is estimated at 1.2 million. Its territory covers 905.01 km². The official language is Japanese. Hiroshima is the economic center of the Chūgoku-Shikoku region. The port city is known for its exports, especially by sea, then by air via its major international airport.