The country has maximun dimensions of about 2,500 km north to south and 1,250 km east to west, with a coastline of approximately 1,840 km on the Gulf of Thailand and 865 km along the Idian Ocean. Situated in the heart of the Southest Asian mainland, Thailand is bordered by Lao PDR and Myanmar to the north, Cambodia and the Gulf of Thailand to the east, Myanmar and the Idian Ocean to the west and Malaysia to the south.