Südostasien, or Southeast Asia, is a region located between the Indian Ocean and the Pacific Ocean. It consists of countries such as Thailand, Vietnam, Indonesia, and Malaysia. The area is known for its diverse cultures, languages, and religions, making it a vibrant and dynamic part of the world. The geography of Südostasien includes tropical rainforests, beautiful beaches, and mountainous regions. Major rivers like the Mekong and Irrawaddy play a crucial role in the livelihoods of the local populations. The region is also famous for its rich biodiversity, with many unique species of plants and animals.