Southeast Asia is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland China, east of the Indian subcontinent, and north-west of mainland Australia which is part of Oceania. Southeast Asia is composed of eleven countries of impressive diversity in religion, culture and history: Brunei, Burma (Myanmar), Cambodia, Timor-Leste, Indonesia, Laos, Malaysia, the Philippines, Singapore, Thailand and Vietnam. Southeast Asia is one of the most culturally diverse regions of the world. There are many different languages and ethnicities in the region. Historically, Southeast Asia was significantly influenced by Indian, Chinese, Muslim, and colonial cultures, which became core components of the region's cultural and political institutions. Most modern Southeast Asian countries were colonized by European powers.
东南亚是亚洲的地理东南部地区，包括中国大陆以南、印度次大陆以东和大洋洲澳大利亚大陆西北部的地区。东南亚由十一个在宗教、文化和历史上具有令人印象深刻的多样性的国家组成：文莱、缅甸、柬埔寨、东帝汶、印度尼西亚、老挝、马来西亚、菲律宾、新加坡、泰国和越南。东南亚是世界上文化最多元化的地区之一，该地区有许多不同的语言和种族。历史上，东南亚深受印度、中国、穆斯林和殖民文化的影响，成为该地区文化和政治制度的核心组成部分。大多数现代东南亚国家都曾被欧洲列强殖民。