 The regency was a major centre of early support and organization for Darul Islam, an Islamist group formed in 1948 to resist Dutch attempts to retake Java after World War II, and, after the Dutch were defeated, to establish a state in Indonesia governed by Islamic law.Like the rest of Preanger Regencies, the climate of Tasikmalaya Regency is normally a tropical rainforest climate.It receives an average annual precipitation of 2.072 mm.