Reservation of hotels in Oswiecim. Easy online reservation of hotel in Oswiecim. Oswiecim is an old town, the origins of which can be traced back to the 12th century. The preserved relics and the traces of history give a unique character to the town. The eight-hundred-year old history of Oswiecim includes the tragic moments. During the II World War, the Germans built in Oswiecim the biggest extermination camp in the history of mankind - the KL Auchwitz-Birkenau, where approximately 1.1 - 1.5 million victims were killed. It was an inconceivable tragedy, the biggest evil ever done by men to men. That is why, the KL Auschwitz-Birkenau must be a warning and an appeal for respect for fundamental values: the right to live, to be free and to have dignity. The memory of what happened at the KL Auschwitz - Birkenau during the II World War and the museum in its area, has become a starting point of constructive thinking about the future.