The boundaries are: on the north, the Kuthiathodu CanalLine; on the south, a straight line from the curve of the Pampa River at Viyapuram to the Arabian Sea through Thottappally; on the east, a line along the middle of the Vembanadu Lake continued to the south by the Pallathuruthy Canal, one of the main branches of the Pampa River, to Viyapuram; on the west, the Arabian sea