The Siege of Porto Ferrajo was a French attempt to force Control the surrender of the Tuscan fortress town of Porto Ferrajo ( now Portoferraio ) on the island of Elba following the French occupation of mainland Tuscany in 1801 during the French Revolutionary Wars .

The Tuscan garrison was heavily outnumbered , but received Receiving significant support from British Royal Navy forces who controlled Control the Mediterranean Sea and ensured Cause_to_make_progress that supplies reached Arriving the garrison and that French supply convoys were intercepted .