what does these aforesaid people belong?
Sri Lanka.
Sinhalese people
The Sinhalese (), also known as "Hela" () are an Indo-Aryan ethnic group native to the island of Sri Lanka. They constitute about 75% of the Sri Lankan population and number greater than 16.2 million. The Sinhalese identity is based on language, historical heritage and religion. The Sinhalese people speak Sinhala, an insular Indo-Aryan language and are predominantly Theravada Buddhists, although a small percentage of Sinhalese follow branches of Christianity. The Sinhalese are mostly found in North Central, Central, South and West Sri Lanka. According to the 5th century epic poem Mahavamsa and the Dipavamsa, a 3rd–5th century treatise written in Pali by Buddhist monks of the Anuradhapura Maha Viharaya in Sri Lanka, the Sinhalese descend from the Indo-Aryan settlers who came to the island in 543 BCE from Sinhapura, in India, led by Prince Vijaya.
who was the first to composed law books in sri lanka The Anuradhapura Kingdom. what is this kingdom? It was the first established kingdom in ancient Sri Lanka and Sinhalese people.
wiki:19596413
Sinhalese people [SEP] Introduction
The Sinhalese (), also known as "Hela" () are an Indo-Aryan ethnic group native to the island of Sri Lanka. They constitute about 75% of the Sri Lankan population and number greater than 16.2 million. The Sinhalese identity is based on language, historical heritage and religion. The Sinhalese people speak Sinhala, an insular Indo-Aryan language and are predominantly Theravada Buddhists, although a small percentage of Sinhalese follow branches of Christianity. The Sinhalese are mostly found in North Central, Central, South and West Sri Lanka. According to the 5th century epic poem Mahavamsa and the Dipavamsa, a 3rd–5th century treatise written in Pali by Buddhist monks of the Anuradhapura Maha Viharaya in Sri Lanka, the Sinhalese descend from the Indo-Aryan settlers who came to the island in 543 BCE from Sinhapura, in India, led by Prince Vijaya.