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The city is situated on the border of historic Upper Silesia and Lesser Poland at the eastern rim of the smaller Cieszyn Silesia region , about south of Katowice .
 Upper Silesia, Lesser Poland, Cieszyn Silesia, Katowice
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Upper Silesia, Lesser Poland, Cieszyn Silesia, Katowice