The title "Viscount of Portugal" is a noble rank in the Portuguese peerage system. It is typically granted to individuals who have made significant contributions to the country or the monarchy. The title is often associated with land ownership and local governance, reflecting the feudal system that was prevalent in Portugal's history. Viscounts in Portugal may oversee specific regions or estates, and their responsibilities can include managing resources and maintaining order. The title is part of a hierarchy that includes other ranks such as Duke, Marquess, and Count, each with its own historical significance and privileges.