Gampaha is a major city in Gampaha District, Western Province, Sri Lanka. It is situated to the north-east of the capital Colombo. It is the sixth largest urban area in Western Province, after Colombo, Negombo, Kalutara, Panadura and Avissawella. Gampaha is also the second largest city in the Gampaha district, after Negombo city. According to the facts of central index prepared by urban development authority (UDA), Gampaha city develops around 95% although the population is less than in Negombo. Gampaha city has land area of 25.8 hectares and is home to the offices of 75 government institutions.