English: The Regions of Tohoku Chindai (東北鎮台). Chindais are army units of Japan since 1871 till 1885. Sendai (仙台) Headquater and the Hirosaki (弘前) branch and its areas. Niidata (新潟) was the first branch of Tokyo Chindai. Derivied of File:Gokishichido.svg.