Mataram KingdomThe Mataram Kingdom (mɑːtɑːrɑːm, ꦩꦠꦫꦩ꧀, mətaram); also known as Medang Kingdom was a Javanese Hindu–Buddhist kingdom that flourished between the 8th and 11th centuries. It was based in Central Java, and later in East Java. Established by King Sanjaya, the kingdom was ruled by the Shailendra dynasty and Ishana dynasty. During most of its history the kingdom seems have relied heavily on agriculture, especially extensive rice farming, and later also benefited from maritime trade.
ChampaChampa (Cham: ꨌꩌꨛꨩ; ចាម្ប៉ា; Chiêm Thành 占城 or Chăm Pa 占婆) was a collection of independent Cham polities that extended across the coast of what is present-day central and southern Vietnam from approximately the 2nd century AD until 1832. According to earliest historical references found in ancient sources, the first Cham polities were established around the 2nd to 3rd centuries CE, in the wake of Khu Liên's rebellion against the rule of China's Eastern Han dynasty, and lasted until when the final remaining principality of Champa was annexed by Emperor Minh Mạng of the Vietnamese Nguyễn dynasty as part of the expansionist Nam tiến policy.
SrivijayaSrivijaya (Sriwijaya) was a Buddhist thalassocratic empire based on the island of Sumatra (in modern-day Indonesia), which influenced much of Southeast Asia. Srivijaya was an important centre for the expansion of Buddhism from the 7th to the 11th century AD. Srivijaya was the first polity to dominate much of western Maritime Southeast Asia. Due to its location, the Srivijaya developed complex technology utilizing maritime resources. In addition, its economy became progressively reliant on the booming trade in the region, thus transforming it into a prestige goods-based economy.
Khmer EmpireThe Khmer Empire was a Hindu-Buddhist empire in Southeast Asia, centered around hydraulic cities in what is now northern Cambodia. Known as Kambuja by its inhabitants, it grew out of the former civilisation of Chenla and lasted from 802 to 1431. Historians call this period of Cambodian history the Angkor period, after the empire's most well-known capital, Angkor. The Khmer Empire ruled or vassalised most of mainland Southeast Asia and stretched as far north as southern China.