The Indonesian Publishers Association (IKAPI) is the only professional association of publishers in Indonesia that gathers book publishers from all over Indonesia. IKAPI was established on 17 May 1950 in Jakarta. IKAPI has members from all over Indonesia. The largest concentration of publishers is still in Java and the rest are spread across Sumatra, Kalimantan, Sulawesi, as well as Bali, NTT, NTB, and Papua.