In the heights of East Azerbaijan and in the Arasbaran Paradise, there is a historical building that was the headquarters of one of the bravest Iranian soldiers named Babak Khorramdin. This building, known as Babak Castle, was built in one of the highest areas of Azerbaijan, located in the city of Kalybar, somewhere between fog and clouds. The history and geographical location of this castle have made it one of the mysterious and important tourist attractions in the region. The historical Babak Castle and the pristine areas around it are one of the most popular tourist attractions in Azerbaijan, which are mostly chosen by people who are interested in historical and mysterious buildings