Hamar is a town in Hamar Municipality in Innlandet county, Norway. Hamar is the administrative centre of Hamar Municipality. It is located in the traditional region of Hedmarken. The town is located on the shores of Mjøsa, Norway's largest lake. Historically, it was the principal city of the former Hedmark county, now part of the larger Innlandet county.

Hamar Municipality is a municipality in Innlandet county, Norway. It is located in the traditional district of Hedemarken. The administrative centre of the municipality is the town of Hamar. Other settlements in Hamar include Hjellum, Slemsrud, Ridabu, Ingeberg, and Ilseng.