Afonso III, or Affonso, Alfonso or Alphonso (Portuguese-Galician) or Alphonsus (Latin), the Boulonnais, King of Portugal was the first to use the title King of Portugal and the Algarve, from 1249. He was the second son of King Afonso II of Portugal and his wife, Urraca of Castile; he succeeded his brother, King Sancho II of Portugal, who died on 4 January 1248.
Effigy on a contemporary coin
The Kingdom of the Algarve, after 1471, Kingdom of the Algarves, was a nominal kingdom within the Kingdom of Portugal, located in the southernmost region of continental Portugal, until the end of the monarchy in 1910.
The Arch of Rest in Faro, where Afonso III of Portugal legendarily rested after the "end of the Reconquista".
A caricature of year 1833 showing the clash between Miguel I of Portugal and Pedro IV of Portugal, which caused turmoil in the Algarve