Sei Bingai
Sei Bingai is an administrative district of Langkat Regency, in North Sumatra Province of Indonesia. It borders the city of Binjai to the north, the districts of Kuala and Salapian to the west, Deli Serdang Regency to the east, and Karo Regency to the south. Most people in Sei Bingai are Karo. A majority of the people in Sei Bingai District are Muslims, as the Karo are predominantly, but not entirely Christian in this area.