The Mahakam Delta is a significant geographical area located in East Kalimantan, Indonesia. It is formed by the confluence of the Mahakam River and the Java Sea, creating a rich ecosystem that supports diverse wildlife and plant species. The delta is known for its intricate network of waterways, mangroves, and wetlands, which play a crucial role in maintaining the local environment. This delta is also vital for the local economy, as it supports fishing, agriculture, and transportation. The surrounding communities rely on the resources provided by the delta, making it an essential area for both biodiversity and human livelihoods.