The Malay peninsula is bounded by southern Thailand in the North, and on the West and South by the straits of Malacca which separate it from Sumatra, which in turn is separated from Java on the SE by the Sunda Straits. Java is the first of a Chain of Islands extending eastward. Borneo is the largest island in this archipelago separated by the straits of Macassar on the East from Celebes, to the North of Borneo and Celebes lies the Philippines.