Koh Kong is the most southwestern province of Cambodia. It is one of the biggest provinces in the whole country with a long undeveloped coastline and a mountainous, forested and largely inaccessible interior, which embraces part of the Cardamom Mountains, the biggest coherent rainforest of Southeast Asia. Its tourist attractions include abundant wildlife; big waterfalls and casinos on the border to Thailand, while an Export Processing Zone and new port facilities are being developed for international trade.