High Quality Content by WIKIPEDIA articles! Chennai architecture is a confluence of many architectural styles. From ancient Dravidian temples built by the Pallavas, to the Indo-Saracenic style (pioneered in Madras) of the colonial era, to 20th-century steel and chrome of skyscrapers. Chennai has a colonial core in the port area, surrounded by progressively newer areas as one travels away from the port, punctuated with old temples, churches and mosques.