Seijosa is a circle in East Kameng district. it has now an Additional Deputy Commissioner office.Mainly Nyishi people inhibit here.The Pakke wildlife Sanctuary is located here. The Seijosa town is situated along the river Pakke. Every Thursday people from Assam mainly from places like Itakola come to sell vegetables, clothes etc. The people from Assam and Seijosa share a cordial relationship. It is a great place for a picnic every year lot of tourist come to Seijosa for picnic.