GaliciaPronunciation: /gəˈlɪsɪə, -ˈlɪʃə, gaˈliθja, -sja/Translate Galicia | into Spanish Definition of Galicia 1an autonomous region and former kingdom of NW Spain; capital, Santiago de Compostela. 2a region of east central Europe, north of the Carpathian Mountains. A former province of Austria, it now forms part of SE Poland and western Ukraine. Galicia in other Oxford dictionaries Definition of Galicia in the US English dictionary