PSIM Yogyakarta From Wikipedia, the free encyclopedia PSIM Yogyakarta Logo Full name Persatuan Sepak Bola Indonesia Mataram Nickname(s) Mataram Warriors The Java Dragons Founded 5 September 1929 Ground Mandala Krida Stadium Yogyakarta , Indonesia Capacity 35.000 Chairman Agung Damar Kusumandaru Head coach Erwan Hendarwanto League Liga 2 2017 Liga 2, 1st in Group H Website Club website Home colours Away colours Persatuan Sepak Bola Indonesia Mataram , commonly known as PSIM Yogyakarta , or PSIM , is a professional Indonesian football club based in Yogyakarta . They play in Liga Indonesia Premier Division . Their home stadium is Mandala Krida Stadium . This club was founded on 5 September 1929 as Persatuan Sepakraga Mataram (PSM). Mataram name used because Yogyakarta is the administrative center of the kingdom of Mataram Sultanate ( Yogyakarta Sultanate ) . Then on July 27, 1930 th