The title "Marquis of Portugal" refers to a noble rank in the Portuguese aristocracy. It is historically associated with landowners who held significant power and influence during the medieval and early modern periods. The title was often granted by the monarchy to reward loyalty or service, and it typically came with specific territories or responsibilities. In the context of Portuguese history, the title is linked to the Portuguese nobility and the Kingdom of Portugal. The marquisate was an important rank, positioned above a count but below a duke, reflecting the hierarchical structure of the aristocracy in Europe.