Cambodia shares borders in the north with Laos and Thailand, in the east with Vietnam and the southwest with the Gulf of Thailand. The landscape comprises of tropical rainforests and fertile land intersected with many rivers. In the northeast and southeast are Cambodia’s highlands. The capital is located at the confluence of the Mekong, Bassac and Tonle Sap rivers. The latter flows from a large inland lake, also called Tonle Sap, situated in the centre of the country. There are numerous offshore islands along the southwest coast.