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North-Western Italy is not usually identifiable by a particular style ; the Aosta Valley and Piedmont tend to be more French in essence , Lombardy is a mixture of Central Italian ( Emilia-Romagna and Tuscany ) , French , Spanish and Austrian styles , whilst Liguria is highly unusual , with its brightly painted houses .
 Aosta Valley, Piedmont, Lombardy, Emilia-Romagna, Tuscany, Liguria
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Aosta Valley, Piedmont, Lombardy, Emilia-Romagna, Tuscany, Liguria