Guipúzcoa
geographical name
Gui·púz·coa gē-ˈpüs-kō-ə 
-ˈpüth-kō-ä
variants or Basque Gipuzkoa
gē-ˈpüs-kō-ə
province of northern Spain in the autonomous region of Basque Country bordering the Bay of Biscay and France; capital Donostia-San Sebastian area 771 square miles (1997 square kilometers), population 708,425