Kuching, officially the City of Kuching, is the capital and the most populous city in the state of Sarawak in Malaysia. It is also the capital of Kuchi…Kuching, officially the City of Kuching, is the capital and the most populous city in the state of Sarawak in Malaysia. It is also the capital of Kuching Division. The city is on the Sarawak River at the southwestern tip of Sarawak on the island of Borneo and covers an area of 431 km² with a population about 98,267 in the Kuching North administrative region and 185,390 in the Kuching South administrative region—a total of 283,657 people.