Generate a sentence that describes the following data: Arem-arem, country, Indonesia; Indonesia, leader, Jusuf Kalla; Arem-arem, region, Javanese cuisine; Indonesia, currency, Indonesian rupiah; Indonesia, language, Indonesian language.
Sentence:
Arem-arem is a Javanese dish found in Indonesia where Indonesian is spoken and Jusuf Kalla is a leader. Indonesia's currency is the rupiah.