From Wikipedia, the free encyclopedia

A Fortified District refers to the Japanese Army and (in certain cases) Japanese Navy defensive fortified organization, created in districts in Manchukuo, Chosen (Korea), Karafuto (Southern Sakhalin) and the Kurile Islands, i.e. on a front extended to over 6,000 kilometers.

The Japanese forces, had built 17 "fortified districts" and over 4,500 permanent emplacements along the USSR border. Other similar structures were constructed inland in these provinces. In similar form it organized other fortified districts inside of mainland Japan (coastal and inner mountainous areas) and overseas provinces (Formosa, Ryu-Kyu, South Pacific Mandate, etc)

Examples remain in:

• Chosen Fortifications:
  • Seishin fortified district with 4,000 officers and men, protected from the sea by heavy coastal artillery, an armored train, a regular train carrying combat equipment, and eight concrete fortifications and emplacements.
  • Etetin fortified district (now Odetsin)
  • Genzan fortified district (now Wonsan) with 6,238 Japanese officers and soldiers
  • Rashin fortified district (now Najin)
  • Yuki fortified district

• Manchoukouan Fortifications:
  • Manchouli fortified district
  • Kotou fortified district
  • Fuyuan fortified district
  • Sungari fortified district and Japanese Army Sungari Flotilla
  • Hsinking fortified district/defense center
  • Tuntsiang defense center
  • Futsing fortified district with five permanent emplacements, a munitions depot and six mortar batteries.
  • Sun’u fortified district with 20,000 Japanese officers and soldiers
  • Sansing fortified district

• Kwantung Fortifications:
  • Port Arthur fortified district (now Liaoshun)
  • Dairen fortified distric (now Dalian)

• Organization of Karafuto Fortress
• Organization of Kita and Minami Chisima Fortresses