The Bodoland Territorial Region (BTR) is an autonomous division in Assam, India, and a proposed state in Northeast India. It is made up of four districts on the north bank of the Brahmaputra river below the foothills of Bhutan and Arunachal Pradesh. It is administered by an elected body known as the Bodoland Territorial Council which came into existence under the terms of a peace agreement signed in February 2003 and its autonomy was further extended by an agreement signed in January 2020. The region covers an area of over nine thousand square kilometres and is predominantly inhabited by the Bodo people and other indigenous communities of Assam.

The constitutional power to create new states and union territories in India is solely reserved with the Parliament of India, which can do so by announcing new states/union territories, separating territory from an existing state or merging two or more states/union territories or parts of them. As of 2024, there are 28 states and eight union territories in India.