The campaign in south-west France in late 1813 and early 1814 was the final campaign of the Peninsular War. An allied army of British, Portuguese and Spanish soldiers under the command of Arthur Wellesley, 1st Duke of Wellington fought a string of battles against French forces under the command of Marshal Jean de Dieu Soult, from the Iberian Peninsula across the Pyrenees and into south-west France ending with the capture of Toulouse and the besieging of Bayonne.