What is "uraiyur"

Urayur (Tamil : உறையூர்) is an area of Tiruchirapalli in Tamil Nadu, India. It was the capital of the early Cholas, who were one of the three main kingdoms of the ancient Tamil country. Sometimes spelled as Uraiyur, this location is also known as Thirukkozhi, Nikalaapuri, Uranthai, and Kozhiyur. It has a history dating back to before 2 BCE. There is definite mention of the Cholas, whose founder was Vijayalaya and their capital in Ashokan inscriptions in Orissa pushing back the antiquity of the Cholas as well as Uraiyur to 272–232 BCE, which was the period of Ashoka (ca. 304–232 BCE) who was ruler of the Maurya Dynasty of Pataliputra (modern Patna). Inscriptions and rock edicts of Ashoka and the Satavahanas describe Urayur as "the citadel and centre of the Cholas".Uraiyur was ruled by Karikala Cholan.