Wikipedia
Pizhala
Pizhala is an island near Kochi surrounded by river Periyar. It is the central part and Capital of Kadamakkudy Grama Panchyath, Kanayannur Taluk, Ernakulam District in the Indian state of Kerala. Pizhala island was formed naturally due to the reat Floods of Periyar in 1341 AD, which choked the Muziris Port (near present-day Kodungallur, one of the greatest ports in Ancient World.