Seethawaka Export Processing Zone is administered by the Board of Investment (BOI) of Sri Lanka. It is the only zone located in Colombo District. The zone is 47 Km from Colombo via low-level road and 57 Km via High level road. It was built with Japanese technical co-operation and is a well-planned Export Processing Zone.
Seethawaka Export Processing Zone was established in 1999 on a land area of 431 acres of which 183 acres are industrial land. The infrastructure facilities at the zone include water, the processing of waste water and electricity, making it attractive to investors.