Nilambazar is a village located in Karimganj district in the Indian state of Assam.

It is 329.9 kilometres south of the state capital Guwahati and 16.1 kilometres south of the district headquarters Karimganj.

Bengali and Meitei (Manipuri) are the official languages of this place.

Regular bus services connect Nilambazar with Guwahati, Shillong and Agartala via NH 8 (previously NH 44).

It's a block of Karimganj District with the highest percentage of Muslim.