Second Department of Polish General Staff

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The Polish General Staff's Section II (Polish: Oddział II Sztabu Generalnego Wojska Polskiego, also called Dwójka ["Two"]) was a section of the Polish General Staff in the Second Polish Republic.

Section II was responsible for military intelligence, counterintelligence, cryptography, analysis of foreign military forces, and foreign affairs of the Polish Armed Forces. It existed 1918–1939.