Qaleh Hasan, North Khorasan

Qaleh Hasan (, also Romanized as Qal‘eh Ḩasan and Qal‘eh-ye Ḩasan; also known as Ḩasan Qal‘eh and Ḩasan) is a village in Sivkanlu Rural District, in the Central District of Shirvan County, North Khorasan Province, Iran. At the 2006 census, its population was 423, in 100 families.