There is no officially recognized city, municipality, or census town named "Libraries" in the state of Kerala, India. It is highly likely that this designation is a data-entry artifact, a mapping error, or a thematic reference to Kerala's globally renowned public library network.
Kerala is celebrated as the most literate state in India, a cultural milestone largely attributed to its expansive grassroots library movement. Rather than a physical city, "Libraries" in the context of Kerala represents a vast, interconnected cultural network of over 8,000 rural reading rooms and public learning centers that permeate every actual city, town, and village in the state.