They include the structures called vihara, chaitya, stupa, wat and pagoda in different regions and languages.
The Buddhist temples are designed to symbolize five elements: fire, air, water, earth and void (space).
Ashoka also built the Mahabodhi Temple in Bodh Gaya circa 250 BCE, a circular structure, in order to protect the Bodhi tree under which the Buddha had found enlightenment.
Representations of this early temple structure are found on a 100 BCE relief sculpted on the railing of the stupa at Bhārhut, as well as in Sanchi.
[4] From that period the Diamond throne remains, an almost intact slab of sandstone decorated with reliefs, which Ashoka had established at the foot of the Bodhi tree.
The oldest Buddhist archaeological site in Indonesia is arguably the Batujaya stupas complex in Karawang, West Java.
Subsequently, significant numbers of Buddhist sites were found in Jambi, Palembang and Riau provinces in Sumatra, as well as in Central and East Java.
A number of Buddhist historical heritages can be found in Indonesia, including the 8th century Borobudur mandala monument and Sewu temple in Central Java, Batujaya in West Java, Muaro Jambi, Muara Takus and Bahal temple in Sumatra, and numerous of statues or inscriptions from the earlier history of Indonesian Hindu-Buddhist kingdoms.
During the era of Kediri, Singhasari and Majapahit empire, Buddhism—identified as Dharma ri Kasogatan—was acknowledged as one of kingdom's official religions along with Hinduism.