Niigata 6th district (新潟県第6区, Niigata-ken dai-rokku or simply 新潟6区, Niigata-rokku) was a single-member constituency of the House of Representatives in the national Diet of Japan located in Niigata Prefecture.
It was abolished by the revision of the Public Offices Election Act 2022,[1] and the entire area has been changed to 5th district.
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