Puchong is a major town and a parliamentary constituency in the Petaling District, in the state of Selangor, Malaysia. Bordering Kuala Lumpur, it is part of the Greater Kuala Lumpur area. It is bordered by Petaling Jaya in the north, Subang Jaya in the west, Cyberjaya and Putrajaya in the south, and Seri Kembangan in the east.