GULPAMGAN (Jerhadegan of the Arab geographers), a district and city in Central Persia, situated N.W. of Isfahan and S.E. of Irak. Together with Khunsar it forms a small province, paying a yearly revenue of about {6000. The city of Gulpaigan is situated 87 M. N.W. of Isfahan, at an elevation of 5875 ft. in 33° 24' N. and 50 20' E., and has a population of about 5000. The district is fertile and produces much grain and some opium. Sometimes it is under the governor-general of the Isfahan province, at others it forms part of the province of Irak, and at times, as in 1906, is under a governor appointed from Teheran.