Hilsa is a city located in India. While specific geographical details regarding its location within the country are not provided in the source material, it exists as a recognized urban center.
The name Hilsa is also associated with the ilish (or hilsa herring), a species of fish in the Clupeidae family. This fish is highly regarded as a popular food source in the Bengal region and serves as the national fish of Bangladesh and the state fish of West Bengal, India.