Royal Botanical Gardens of Peradeniya, which is considered to be one of the most beautiful botanical gardens in Asia. It is situated about 5.5 km to the west from the city of Kandy in the Central Province of Sri Lanka and attracts 2 million visitors annually. It is renowned for its collection of a variety of orchids. It includes more than 4000 species of plants, including of orchids, spices, medicinal plants and palm trees. Attached to it is the National Herbarium. The total area of the botanical garden is 147 acres (0.59 km2), at 460 meters above sea level, and with a 200-day annual rainfall. It is managed by the Division of National Botanic Gardens of the Department of Agriculture.
During the Second World War, the Botanical Garden was used by Lord Louis Mountbatten, the supreme commander of the allied forces in the South Asia, as the headquarters of the South East Asia Command.