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In the Middle Ages , " Galego-português " ( Galician-Portuguese ) was a language of culture , poetry ( troubadours ) and religion throughout not only Galicia and Portugal but also Castile .
 Middle Ages, Galician-Portuguese, Galicia, Portugal, Castile
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Middle Ages, Galician-Portuguese, Galicia, Portugal, Castile