Gelan is a district in the south of Ghazni province, Afghanistan. Its population was estimated at 78,408 in 2002. The district capital is Ja…Gelan is a district in the south of Ghazni province, Afghanistan. Its population was estimated at 78,408 in 2002. The district capital is Janda. The district is within the heartland of the Tarakai tribe of Ghilji Pashtuns.