The Tarsar and Marsar lakes are the two most significant lakes of Pulwama District. The Tarsar and Marsar lakes are situated 3km and 5km away, respectively, from the village of Nagberan. These two lakes are also closely associated with the folklore of Kashmir.
(source:jktourism.org). The address of Marsar Lake, Pahalgam is Pahalgam, Jammu & Kashmir
It's in Pahalgam, Jammu & Kashmir