The history of the arrival of Islam in Indonesia is somewhat unclear. One theory states that Islam arrived directly from Arabia as early as the 9th century, during the time of the Umayyad and Abbasid
Baiturrahman Grand Mosque in Banda Aceh, Aceh. The spread of Islam in Indonesia began in the region.
Stamps of Indonesia commemorating Zheng He's voyages to secure the maritime routes, usher urbanization and assist in creating a common prosperity
Mosque in West Sumatra with traditional Minangkabau architecture
Grand Mosque of Demak, the first Muslim state in Java
Islam is the largest religion in Indonesia, with 87.15% of the Indonesian population identifying themselves as Muslims, based on civil registry data in 2025. In terms of denomination, the overwhelming
Spread of Islam in Indonesia
…The history of the arrival of Islam in Indonesia is somewhat unclear. One theory states that Islam arrived directly from Arabia as early as the 9th century, during the time of the Umayyad and Abbasid…
Istiqlal Mosque, the national mosque of Indonesia and the largest mosque in Southeast Asia.
Mass Eid al-Fitr prayer at the national Istiqlal Mosque in Jakarta, Indonesia; the largest mosque in Southeast Asia
Many diverse Islamic denominations are practised within Indonesia.
The headquarters of Nahdlatul Ulama, an influential traditionalist Sunni Islam movement in the country.