Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Kolleru Lake -  Kolleru Lake (Telugu: కొల్లేరు సరస్సు) is one of the largest freshwater lakes in India located in state of Andhra Pradesh . Kolleru is located between Krishna and Godavari delta. Kolleru spans into two districts - Krishna and West Godavari. The lake serves as a natural flood-balancing reservoir for these two rivers.
Natural Place