|Indianized Kingdoms||Angkor, Borobodur, Butuan, Cebu, Champa, Chenla, Devaraja, Dvaravati, Funan, Gangga Negara, Harihara, Kalingga, Kutai, Langkasuka, Majapahit, Pagan, Pan Pan, Singhasari, Srivijaya, Tarumanagara|
|Buddhism||Cambodia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand|
|Hinduism||Cambodia, Laos, Indonesia, Myanmar, Thailand|
|Buddhism||Afghanistan, Bangladesh, Bhutan, India, Nepal, Pakistan, Sri Lanka, Tibet|
|Hinduism||Bangladesh, Bhutan, India, Nepal, Pakistan, Sri Lanka|
|Buddhism transmitted to East Asia||China, Japan, Korea, Mongolia, Vietnam|
|Buddhist monasticism||Central Asia, Uzbekistan|
|Indosphere · Hindu texts · Buddhist texts · Folklore of India · Ramayana (Versions of Ramayana)|
Greater India, or the Indian cultural sphere, is an area composed of many countries and regions in South and Southeast Asia that were historically influenced by Indian culture, which itself formed from the various distinct indigenous cultures of these regions. Specifically Southeast Asian influence on early India had lasting impacts on the formation of Hinduism and Indian mythology. Hinduism itself formed from various distinct folk religions, which merged during the Vedic period and following periods. The term Greater India as a reference to the Indian cultural sphere was popularised by a network of Bengali scholars in the 1920s. It is an umbrella term encompassing the Indian subcontinent, and surrounding countries which are culturally linked through a diverse cultural cline. These countries have been transformed to varying degrees by the acceptance and induction of cultural and institutional elements from each other. Since around 500 BCE, Asia's expanding land and maritime trade had resulted in prolonged socio-economic and cultural stimulation and diffusion of Hindu and Buddhist beliefs into the region's cosmology, in particular in Southeast Asia and Sri Lanka. In Central Asia, transmission of ideas were predominantly of a religious nature. The spread of Islam significantly altered the course of the history of Greater India.
By the early centuries of the common era, most of the principalities of Southeast Asia had effectively absorbed defining aspects of Hindu culture, religion and administration. The notion of divine god-kingship was introduced by the concept of Harihara, Sanskrit and other Indian epigraphic systems were declared official, like those of the south Indian Pallava dynasty and Chalukya dynasty. These Indianized Kingdoms, a term coined by George Cœdès in his work Histoire ancienne des états hindouisés d'Extrême-Orient, were characterized by surprising resilience, political integrity and administrative stability.
To the north, Indian religious ideas were assimilated into the cosmology of Himalayan peoples, most profoundly in Tibet and Bhutan and merged with indigenous traditions. Buddhist monasticism extended into Afghanistan, Uzbekistan and other parts of Central Asia, and Buddhist texts and ideas were readily accepted in China and Japan in the east. To the west, Indian culture converged with Greater Persia via the Hindukush and the Pamir Mountains.
Modern Afghanistan was part of ancient India; the Afghans belonged to the pale of Indo-Aryan civilisation. In the eighty century, the country was known by two regional names—Kabul land Zabul. The northern part, called Kabul (or Kabulistan) was governed by a Buddhist dynasty. Its capital and the river on the banks of which it was situated, also bore the same name. Lalliya, a Brahmin minister of the last Buddhist ruler Lagaturman, deposed his master and laid the foundation of the Hindushahi dynasty in c. 865.
Although Afghanistan was considered an integral part of India in antiquity, and was often called "Little India" even in medieval times, politically it had not been a part of India after the downfall of the Kushan empire, followed by the defeat of the Hindu Shahis by Mahmud Ghazni.
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everyone knows well the so-called "Buddhist conquest of China" or "Indianized China"