Dirdal is the name of valley and a village in Gjesdal

Gjesdal

Gjesdal is a municipality in Rogaland county, Norway. In the northwest the municipality borders Sandnes, to the north Forsand, to the east Sirdal, to the south Bjerkreim, and to the west Time....

 municipality in the county of Rogaland

Rogaland

is a county in Western Norway, bordering Hordaland, Telemark, Aust-Agder and Vest-Agder. It is the center of the Norwegian petroleum industry, and as a result of this, Rogaland has the lowest unemployment rate of any county in Norway, 1.1%...

, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. The valley has around 400 inhabatians, 248 of which live in the main village of Gilja.

Dirdal was the scene of fierce fighting between Norwegian and German soldiers during Nazi Germany's assault on Norway (Operation Weserübung

Operation Weserübung

Operation Weserübung was the code name for Germany's assault on Denmark and Norway during the Second World War and the opening operation of the Norwegian Campaign...

) in April 1940.