Norðurþing is a local government authority located in the Northeastern Region of Iceland, centered in the town of Húsavík. It is responsible for municipal governance, spatial planning, primary education, and public infrastructure across several coastal and rural communities. Established in June 2006, the municipality was formed through the merger of four distinct local authorities: Húsavíkurbær, Öxarfjarðarhreppur, Raufarhafnarhreppur, and Kelduneshreppur.