Tajna Armia Polska, TAP (Secret Polish Army) was a Resistance movement founded in November 1939 in German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

-occupied Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, which was active in the areas of the Warsaw, Podlasie

Podlaskie Voivodeship

Podlaskie Voivodeship , is a voivodeship in northeastern Poland. It borders on Masovian Voivodeship to the west, Warmian-Masurian Voivodeship to the northwest, Lublin Voivodeship to the south, the Belarusssian Voblasts of Grodno and Brest to the east, the Lithuanian Counties of Alytus and...

, Kielce and Lublin Voivodships.

Founders were:

• Lieutenant Colonel Jan Henryk Włodarkiewicz "Darwicz" - Chief of the Staff
• Cavalry Captain Witold Pilecki
  Witold Pilecki
  Witold Pilecki was a soldier of the Second Polish Republic, the founder of the Secret Polish Army resistance group and a member of the Home Army...
  
   "Witold"
• Lieutenant Colonel Władysław Surmacki "Stefan"

The organization counted a dozen thousand of members. In 1940 it joined the Konfederacja Narodu

Konfederacja Narodu

Konfederacja Narodu was one of the Polish resistance organizations in occupied Poland during World War II. KN was created in 1940 by far-right National Radical Camp political party from several smaller underground organizations, including the Secret Polish Army...

. In 1941 it became part of the Armia Krajowa

Armia Krajowa

The Armia Krajowa , or Home Army, was the dominant Polish resistance movement in World War II German-occupied Poland. It was formed in February 1942 from the Związek Walki Zbrojnej . Over the next two years, it absorbed most other Polish underground forces...

(Home Army).