Complex sentence: A number of Viharas are located in Batam, of which Vihara Duta Maiteriya is one of the most frequented, and is the largest Vihara in Southeast Asia with an area of 4.5 hectares.
Split into simpler sentences: A number of Viharas are in Batam, of which Vihara Duta Maiteriya is one of the popular ones. It is the largest Vihara in Southeast Asia with an area of 4.5 hectares.