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Where is Tulu mainly spoken?

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Thematic map of South Asia showing the distribution of Dravidian languages, with different regions shaded or marked to indicate where specific Dravidian languages and subgroups are spoken. Most languages are concentrated in southern and central India, with some northern outliers in Pakistan, Afghanistan, and eastern India. A key identifies the languages by number and subgroup, and striped areas indicate regions where several subgroups overlap. — Dravidian languages Distribution of Dravidian languages.

Tulu is a member of the Dravidian language family and is primarily spoken in the southwestern coastal region of India known as Tulu Nadu.12

This region encompasses the Dakshina Kannada and Udupi districts in southern Karnataka state, as well as parts of the Kasaragod district in northern Keralam. Beyond its native region, Tulu-speaking communities are also found in major Indian cities such as Bengaluru and Mumbai, and there is a significant diaspora population residing in countries across the Gulf Arab states, Europe, and North America.2