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The country has been traditionally divided into three lands , namely Bohemia ( " Čechy " ) in the west , Moravia ( " Morava " ) in the east , and Czech Silesia ( " Slezsko " ; the smaller , south-eastern part of historical Silesia , most of which is located within modern Poland ) in the northeast .
 Bohemia, Čechy, Moravia, Morava, Czech Silesia, Slezsko, Silesia, Poland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bohemia, Čechy, Moravia, Morava, Czech Silesia, Slezsko, Silesia, Poland