Indonesian Islam is the largest Muslim population in the world, with over 230 million adherents. It is characterized by a diverse range of beliefs and practices, influenced by local cultures and traditions. The majority of Indonesian Muslims follow the Sunni branch, while a smaller percentage adhere to Shia Islam. The spread of Islam in Indonesia began in the 13th century, primarily through trade and the efforts of Islamic scholars. Today, Indonesia is known for its moderate and pluralistic approach to Islam, with a strong emphasis on community and social harmony, reflecting the country's rich cultural heritage.