Trzcianne ([ˈtʂt͡ɕannɛ]; Yiddish: טרעסטיני, romanized: Trestiny) is a village in Mońki County, Podlaskie Voivodeship, in north-eastern Poland.

Then Trzcianne became part of the Wizna Land, created in the 14th century, of the Duchy of Masovia, within which it was located on the border of Goniądz and Tykocin counties.

[4] According to the records of Alexander Jagiellon, Grand Duke of Lithuania, the first Catholic church in Trzcianne was built before 1496 and it survived c. 100 years.

[2] Following the German-Soviet invasion of Poland, which started World War II in September 1939, the village was first occupied by the Soviet Union.

The Jews were kept in the gravel pit and then in a barn for almost a week before the series mass executions took place.

A few weeks later, with Jews from surrounding town and villages, they were sent to Treblinka and Auschwitz death camps.