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Lanshan ( 岚山区 ; pinyin : Lánshān Qū ) is a district of the province of Shandong in the People 's Republic of China .
 Shandong, People 's Republic of China
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Shandong, People 's Republic of China