The rainforest located in Southeast Asia is the Amazon Rainforest, which is primarily situated in Brazil but extends into several countries in the region. It is known as the most biodiverse rainforest in the world, hosting an immense variety of flora and fauna. This rainforest plays a crucial role in global climate regulation, acting as a major carbon sink. Its vast size and ecological significance make it a focal point for conservation efforts and scientific research on biodiversity and climate change.