Biyagama (Sinhala: බියගම, Tamil: பியகம) is a suburb in Gampaha District, situated in the Western Province of Sri Lanka. It is 12 miles from Colombo.[1] A Free Trade Zone was established in Biyagama in 1985.[1]"Kaduwela" interchange of expressway is located on Biyagama to Peliyagoda road.