Kingdom of Bulungan

The Sultanate of Bulungan (Jawi: کسلطانن بولوڠن, Indonesian: Kesultanan Bulungan) was a former independent sultanate and later a special territory of Indonesia located in the then existing Bulungan Regency (at that time covering all the territory that now comprises the North Kalimantan province of Indonesia) in the east of the island of Borneo. Its territory spanned the eastern shores of North Kalimantan and Tawau, Malaysia.