Erau is an Indonesian cultural tradition that is held every year with activities in the center Tenggarong, East Kalimantan. Erau derived from Kutai, Eroh which means crowded, boisterous, noisy, joyful atmosphere. The atmosphere is lively, boisterous voice in the sense of the many activities of a group of people who have good intent and meaning is sacred, ritual, and entertainment. Erau was first implemented on the ground and shower tijak ceremony to the rim when the Supreme Deity Aji Batara Sakti aged 5 year old. Having grown up and was appointed the first King Kutai (1300-1325), also held a ceremony Erau. Since then Erau always held every substitution or the coronation of the Kings of Kutai.
During its development, the ceremony Erau apart as the coronation ceremony of King, also for giving the title of King of the leaders or community leaders who is credited against the Kingdom.
Erau ceremony conducted by relatives of Sultan / Palace by inviting all leaders of community leaders who serve the kingdom. They come from all corners of the empire to bring supplies of foodstuffs, livestock, fruits, and also the artists. In this Erau ceremony, the palace of the Sultan and other relatives give a banquet to the people by providing the best possible service as a sign of gratitude for the devotion of its people Sultan.
After the end of the reign of Kutai Sultanate in 1960, the area became the autonomous region Kutai. Erau tradition be maintained and preserved as a party of the people and culture festival that became a regular agenda Kutai Regency in commemoration of the anniversary of Tenggarong, Kutai Sultanate central government since 1782.