Seppa is the headquarter of the East Kameng district in the state of Arunachal Pradesh in India. Sepla means 'marshy' land in the local dialect. It lies on the bank of Kameng River with a helipad located in the heart of the town. It is located 160 kilometres (99 mi) from Itanagar and 213 kilometres (132 mi) from Tezpur (Assam) connected by motorable road. The village of Seppa has two out of the sixty Vidhan Sabha Constituencies of Arunachal Pradesh. They are Seppa East and Seppa West.