Kota Kinabalu is the capital of the state of Sabah on Borneo. With an estimated population of 532,129 in the city and 700,000 in the urban area, it is the largest urban centre in Sabah and the sixth largest in Malaysia. It is located close to Mount Kinabalu, the highest mountain in South-East Asia.
The Gunung Mulu National Park in Borneo (near Miri) is a UNESCO World Heritage Site with caves and karst formations. The caves are home to over 5 million bats who exit the caves in search for food every evening in a spectacular way.