A city.
After coming back from exile, when Lakshmana came back, two sons were born to him and Urmila. The elder was Thakshaka and the younger Chhatraketu. As per Rama’s instructions, Lakshmana went east, defeated the tribals there and built a city named Agati. Thakshaka became the king there. Lakshmana then went west, defeated the natives and built a city named Chandramati. Chhatraketu became the king there.