High Quality Content by WIKIPEDIA articles! Nagasaki 1st district was a constituency of the House of Representatives in the Diet of Japan. Between 1947 and 1993 it elected five Representatives by single non-transferable vote. It was located in Nagasaki and, as of 1993, consisted of the cities of Nagasaki, Isahaya and Shimabara and the Nishisonogi, Kitatakaki, Minamitakaki, Kamiagata and Shimoagata counties.