Kokernag is a sub-district town and a notified area committee in Breng Valley (The Golden Crown of Kashmir), Anantnag district in the Indian administered state of Jammu & Kashmir. The etymology of the word Kokernag is controversial and there are various theories and none has any conclusive historical proof. As per one such theory Koker means fowl and nag means serpent. The spring gushes out of the base of a thickly wooded hill from where it divides into channels, which resembles to the claw-foot of a hen, hence its name. The other theory is that the word Kokernag originates from Koh (Mountain) kan (from or under) nag (spring). Kokernag is at the height of approx. 2,000 m above sea level. Place is known for gardens, largest fresh water springs in Kashmir and for its largest rainbow trout hatchery in north India.
Towns and village situated around Kokernag are Bindoo, Zalangam, Bidder, Wangam, Hangalgund,Nagam, Mukhdampora Sagam,Duksum, etc. Kokernag has been mentioned in Ain Akbari, where in it has been mentioned that the water of Kokernag satisfies both hunger and thirst and it is also a remedy for indigestion.