Mauthausen Concentration Camp (known from the summer of 1940 as Mauthausen-Gusen Concentration Camp) grew to become a large group of Nazi

Nazi Germany

Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

 concentration camps

Nazi concentration camps

Nazi Germany maintained concentration camps throughout the territories it controlled. The first Nazi concentration camps set up in Germany were greatly expanded after the Reichstag fire of 1933, and were intended to hold political prisoners and opponents of the regime...

 that was built around the village

Village

A village is a clustered human settlement or community, larger than a hamlet with the population ranging from a few hundred to a few thousand , Though often located in rural areas, the term urban village is also applied to certain urban neighbourhoods, such as the West Village in Manhattan, New...

s of Mauthausen

Mauthausen

Mauthausen is a small market town in Upper Austria, Austria. It is located at about 20 kilometers east of the city of Linz, and has a population of 4,850 .During World War II, it became the site of the Mauthausen-Gusen concentration camp complex....

 and Gusen

Sankt Georgen an der Gusen

Sankt Georgen an der Gusen is a small market town in Upper Austria, Austria, between the municipalities of Luftenberg and Langenstein...

 in Upper Austria

Upper Austria

Upper Austria is one of the nine states or Bundesländer of Austria. Its capital is Linz. Upper Austria borders on Germany and the Czech Republic, as well as on the other Austrian states of Lower Austria, Styria, and Salzburg...

, roughly 20 kilometres (12.4 mi) east of the city of Linz

Linz

Linz is the third-largest city of Austria and capital of the state of Upper Austria . It is located in the north centre of Austria, approximately south of the Czech border, on both sides of the river Danube. The population of the city is , and that of the Greater Linz conurbation is about...

.

Initially a single camp at Mauthausen, it expanded over time and by the summer of 1940, the Mauthausen-Gusen had become one of the largest labour camp complexes in German-controlled Europe.