In India:
* Hindi: The most widely spoken language in the Ganges region, especially in Uttar Pradesh, Bihar, and Uttarakhand.
* Bengali: Predominant in West Bengal, where the Ganges flows into the Bay of Bengal.
* Bhojpuri: A significant language in eastern Uttar Pradesh and Bihar.
* Maithili: Widely spoken in Bihar and parts of Nepal.
* Awadhi: Spoken in central and eastern Uttar Pradesh.
* Santali: A major tribal language spoken in parts of Jharkhand, West Bengal, and Odisha.
* Urdu: Spoken in urban areas and communities with historical ties to the Mughal Empire.
* English: Widely understood in urban areas and educational institutions.
In Bangladesh:
* Bengali: The official language of Bangladesh, spoken by the majority of the population.
* Sylheti: A dialect of Bengali spoken in northeastern Bangladesh.
* Hindi: Spoken by a minority population, particularly in border areas.
* Urdu: Spoken by a small community in urban areas.
* English: Used in administration, education, and business.
Other languages:
* Nepali: Spoken in parts of Uttarakhand and Nepal.
* Assamese: Spoken in Assam, where the Brahmaputra River meets the Ganges.
* Odia: Spoken in Odisha, where the Ganges flows into the Bay of Bengal.
* Numerous tribal languages: Found in various parts of the region, reflecting the rich diversity of indigenous cultures.
It's important to note that this is not an exhaustive list, and the specific languages spoken within a particular area can vary greatly. The Ganges River flows through a densely populated region with a long history of migration and linguistic influences, making it a fascinating tapestry of languages.