The Jetavana dāgaba in Śri Lankā, 370 feet in diameter, is the largest dāgaba in existence. A splinter sect of the Theravāda, the Jetavanīyas (formed 4th cent. CE, reabsorbed 12th cent.) take their name from this dāgaba.
"Jetavana." The Concise Oxford Dictionary of World Religions. . Encyclopedia.com. (February 19, 2019). https://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/jetavana
"Jetavana." The Concise Oxford Dictionary of World Religions. . Retrieved February 19, 2019 from Encyclopedia.com: https://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/jetavana