Chūgoku proportional representation block

The Chūgoku proportional representation block is one of eleven proportional representation "blocks", multi-member constituencies for the House of Representatives in the Diet of Japan. It consists of the prefectures of Tottori, Shimane, Okayama, Hiroshima, and Yamaguchi. Following the introduction of proportional voting, Chūgoku elected 13 representatives by PR in the 1996 general election, reduced to 11 in the election of 2000, and again to 10 in 2024.