Treblinka became one of three killing centers created as part of Operation Reinhard (also known as Aktion Reinhard or Einsatz Reinhard). It was first established as a forced-labor camp.
In November 1941, under the auspices of the SS and Police Leader for the Warsaw District in the General Government, View This Term in the Glossary SS and police authorities established a forced-labor camp for Jews, known as Treblinka. This camp was later referred to as Treblinka I. It also served the SS and police authorities as a labor education camp for non-Jewish Poles whom the Germans perceived to have violated labor discipline. Both Polish and Jewish inmates, imprisoned in separate compounds, were deployed as forced labor. The majority of the forced laborers worked in a nearby gravel pit.
In July 1942, the authorities of Operation Reinhard completed the construction of a killing center, referred to as Treblinka II. Treblinka II was intended for the extermination of Warsaw's Jews and located in the Warsaw District of the General Government. View This Term in the Glossary However, because it was part of Operation Reinhard, it was administered by Odilo Globocnik. Globocnik was the SS and Police Leader of the Lublin District.
When Treblinka II commenced operations, the two other Operation Reinhard killing centers, were already in operation. These killing centers were Belzec and Sobibor.