Port Klang (Malay: Pelabuhan Klang) is a town in Malaysia that serves as the country's principal seaport. It was once known as Port Swettenham (Malay: Pelabuhan Swettenham) during colonial times, but was renamed Port Klang in July 1972. It's around 6 kilometres (3.7 miles) southwest of Klang and 38 kilometres (24 miles) southwest of Kuala Lumpur.