The proposed Johor-Singapore Special Economic Zone (JSSEZ) is a designated area with special incentives and regulations to strengthen business ties and enhance connectivity between Malaysia and Singapore. 16 economic sectors are proposed to be part of the zone including electrical and electronics, manufacturing, aviation and medical. The proposed area will span over 3,505 square km, comprising 6 districts - Johor Bahru, Iskandar Puteri, Kulai, Pasir Gudang, Pontian and Pengerang. This is four times the size of Singapore and almost double the size of Shenzhen.