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The Autonomous Republic of Northern Epirus was thus proclaimed in Argyrokastro ( Gjirokastër ) on 28 February 1914 , with Georgios Christakis-Zografos , a distinguished Epirote politician from Lunxhëri , as its head .
 Argyrokastro, Gjirokastër, Georgios Christakis-Zografos, Lunxhëri
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Argyrokastro, Gjirokastër, Georgios Christakis-Zografos, Lunxhëri