Gampaha is a locality located 23.21 km south-southwest from Sri Jayawardenepura Kotte in Western Province, Sri Lanka. The population of Gampaha is 191,040 people. Ja-Ela, Kaduwela, Katunayake are located close to Gampaha. You can find Gampaha on any map using the following decimal coordinates: 7.0917 (latitude), 79.9997 (longitude).