Yamaguchi Prefecture was formerly divided into Nagato and Suō provinces. It was ruled by the Mōri clan domain during the Sengoku period.
After Commodore Matthew Perry's opening of Japan, clans from Nagato (also called Chōshū) played a key role in the fall of the Tokugawashogunate and the new imperial government.
One of the major attractions is the famous Kintai Bridge in the town of Iwakuni. This five arced wooden structure is considered a symbol of Western Honshū. The area on the banks of the Nishiki river close to the bridge is considered among the best places in Japan for Hanami (花見, lit. "flower viewing"), when groups of family and friends gather in early April to view Cherry Blossom.
Transportation
Ferries from Shimonoseki Port International Terminal
Kido Takayoshi, one of the two main architects of the Meiji Restoration
Former Prime Minister Shinzo Abe represented first Yamaguchi's 1st then 4th district in the House of Representatives; his father represented Yamaguchi as well.
Teruzane Utada music producer, manager and father of Utada Hikaru is from somewhere in Yamaguchi Prefecture, as mentioned on the latter's blog.
Michishige Sayumi, a Japanese idol who is one of the 6th generation members of Japanese idol group Morning Musume was also born in Yamaguchi.
Raizo Tanaka, a Japanese rear admiral during World War II. Tanaka was the commander of the Midway invasion force and later made famous for his efforts to keep Japanese forces on Guadalcanal in supply with the "Tokyo Express."
Karyu, guitarist of the band D'espairsRay is from Yamaguchi. The band had a "homecoming" live there in 2007.