An island with a long Theravada memory
Sri Lanka is one of the main homes of Theravada Buddhism, the tradition that is also dominant in Myanmar, Thailand, Laos and Cambodia. Its importance rests partly on continuity: monastic communities, chronicles and sacred places have been maintained, rebuilt and revived over many centuries, despite periods of invasion, decline and colonial rule. This article gives the outline. Other pieces on this site look more closely at individual cities, caves and customs.
How Buddhism is traditionally said to have arrived
The island’s own chronicles, above all the Mahavamsa, tell the story of the Dharma’s arrival. According to that tradition, Buddhism was brought in the third century BCE during the reign of King Devanampiya Tissa, by the monk Mahinda, who is described as a son of Emperor Ashoka (some accounts present him as a close relative). The meeting between king and monk is placed on the hill now known as Mihintale. The chronicles add that Mahinda’s sister, the nun Sanghamitta, followed, bringing a branch of the Bodhi tree from Bodh Gaya and establishing the order of nuns.
Historians treat these chronicles as valuable but not as neutral records. They were compiled by monastic authors centuries later, and details differ between sources. Most scholars accept that Buddhism reached the island in roughly this period and that Ashokan-era contact with India was part of the story. The broader background is covered in the pieces on the southern transmission of Buddhism and on Emperor Ashoka.
Anuradhapura, the first great capital
Anuradhapura served for a very long period as the island’s royal and religious centre. Its monuments include large stupas, monastery ruins, ponds and the revered Sri Maha Bodhi tree, which tradition links to Sanghamitta’s sapling. Several great monastic complexes grew here, and they sometimes disagreed over doctrine and practice, which is one reason the history of the monastic orders is more complicated than a single line of descent.
The Pali scriptures were also preserved here. Tradition says the Tipitaka, previously memorised and recited, was written down on the island around the first century BCE. Anyone interested in that textual side can read about the Pali Canon and about how the early Buddhist councils are remembered.
Later capitals and shifting centres
From around the eleventh century the political centre moved to Polonnaruwa, where rock-carved images at the Gal Vihara are among the best-known works of the period. Later kingdoms had their seats in several other places in the central and western parts of the island. Throughout, kings were expected to protect the Sangha, and the relationship between monarchy and monastic order shaped the religious landscape.
Periods of weakness sometimes left the monastic lineage thin. Tradition records that ordination lineages were restored with help from monks of other Theravada countries, notably from Southeast Asia, on more than one occasion. This exchange is one reason the island has long been linked with the wider Theravada world.
Kandy and the Tooth Relic
Kandy was the seat of the last independent kingdom, which lasted until the early nineteenth century. It is closely tied to the relic of the Buddha’s tooth, which according to tradition was brought to Sri Lanka many centuries earlier and became a symbol of legitimate rule. Possession of the relic was associated with kingship, so it moved with the capital. Today it is kept at the Temple of the Tooth, where daily rituals are held and devotees from across the country visit. Every year the Esala Perahera procession in Kandy honours the relic with drummers, dancers and decorated elephants.
Visitors should treat the relic chamber as a place of active worship, not a museum. Access to the inner shrine and the exact schedule of rituals can change, so check current official information before travelling.
A living tradition rather than a ruin
It would be a mistake to see Sri Lankan Buddhism only through archaeology. Temples are still part of daily life: families make offerings, people dress in white on certain days, and the monthly Poya full moon days are observed across the country. The Vesak festival, which marks the Buddha’s birth, awakening and passing, is among the most visible celebrations. Everyday worship also draws on the Bodhi tree, which is venerated at many temples, not only at Anuradhapura.
Alongside this Theravada core, you will find shrines to local and Hindu deities, especially in temple complexes, and shared pilgrimage places such as Sri Pada. Practices vary by region and community, and no single description fits every temple.
Thinking about a visit
A visit usually combines the historic cities of the north-central region with Kandy and perhaps a climb to Sri Pada. Temple etiquette is broadly similar to elsewhere in Theravada countries: modest clothing that covers shoulders and knees, white clothing for some observances, shoes and hats removed, and care around images and monks. Ask before photographing, and never pose with your back to a Buddha image. Because the monsoon pattern differs between regions, it helps to read about monsoon travel considerations before choosing dates.
Access rules, ticketing arrangements and security conditions can change. Consult current official sources and your government’s travel advice before you go.