Situated at the extreme northeast of India and the largest among the seven sister states of North East India, Arunachal Pradesh shared borders with Assam and Nagaland States.
The state also shared land border with Myanmar, Bhutan and China. The international border between Arunachal Pradesh and China is known as the McMohan line.
It was earlier named after North-East Frontier Agency.
The state has a forest cover of more than 80%.
India’s longest river bridge Dhola-Sadiya (Bhupen- Hazarika Setu) over the Lohit River is a connecting link between Arunachal Pradesh and Assam.
English is the only official language of this state.