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The East Indies or the Indies are the lands of South (Indian subcontinent) and Southeast Asia. In a more restricted sense, the Indies can be used to refer to the islands of Southeast Asia, especially the Philippine Archipelago and the Indonesian Archipelago. The name "Indies" is used to connote parts of Asia that came under the Indian cultural sphere.
Territories of the Spanish Empire in Asia were known as the Spanish East Indies for 333 years before the American conquest and later Philippine independence. Dutch-occupied colonies in the area were known for about 300 years as the Dutch East Indies before Indonesian independence. The East Indies may also include the former French Indochina, former British territories Brunei and Singapore and former Portuguese Timor. It does not, however, include the former Netherlands New Guinea, which is geographically considered to be part of Melanesia.
The inhabitants of the East Indies are almost never called East Indians, distinguishing them both from inhabitants of the Caribbean (which is also called the West Indies) and from the indigenous peoples of the Americas who are often called American Indians. In colonial times they were just "natives". However, the peoples of the East Indies comprise a wide variety of cultural diversity, and the inhabitants do not consider themselves as belonging to a single ethnic group. Islam, Christianity, Buddhism and Hinduism are the most popular religions throughout the region, while Sikhism, Jainism, Chinese folk religion and various other traditional beliefs and practices are also prominent in some areas. The major languages in this area draw from a wide variety of language families, and should not be confused with the term Indic, a group of languages spoken in the Indian subcontinent.
The extensive East Indies are subdivided into two sections (from a European perspective), archaically called Hither India and Further India. The first is the former British India, the second is Southeast Asia.
Regions of the East Indies are sometimes known by the colonial empire they once belonged to, hence, Spanish East Indies means the Philippines, Dutch East Indies means Indonesia, and British East Indies refers to Malaysia.
Exploration of these regions by European powers first began in the late 15th century and early 16th century led by the Portuguese explorers. The Portuguese described the entire region they discovered as the Indies. Eventually, the region would be broken up into a series of Indies: The East Indies, which was also called "Old Indies" or "Great Indies", consisting of India, and the West Indies, also called "New Indies" or "Little Indies", consisting of the Americas.
These regions were important sources of trading goods, particularly cotton, indigo and spices after the establishment of European trading companies: the British East India Company and Dutch East India Company, among others, in the 17th century.
The New World was initially thought to be the easternmost part of the Indies by explorer Christopher Columbus, who had grossly underestimated the westerly distance from Europe to Asia. Later, to avoid confusion, the New World came to be called the "West Indies", while the original Indies came to be called the "East Indies".
The designation East Indian was once primarily used to describe people of all of the East Indies, in order to avoid the potential confusion from the term American Indian who were once simply referred to as Indians (see the Native American name controversy for more information).
During the Harsha's reign a term Five Indies was used as a synonym for the territory to the north of the vindhyas. According to Xuanzang "The circumference of the Five Indies is about 90,000 li; on three sides it is surrounded by a great sea; on the north it is supported by icy mountains. In the north it is wide and narrow in the south; its shape is crescent".