Chanthaburi commonly called Muang Chan, is another major eastern seaside province which has, played an important role in the history of the nation both before and during the Rattanakosin (Bangkok) Period. It is wealthy and rich in natural resources. Particularly gems in addition to the plentiful field of tropical fruits including Rambutan, Durian, Mangosteen and Langsad. Products from the seas are also extensive. It is also blessed with natural beauty and attractions equal to any sister provinces. Chanthaburi is about 245 kilometers from Bangkok and 110 kilometers from Rayong.