122382
It rises in the Eifel mountains , near the border with Belgium and flows generally south through the towns Stadtkyll , Gerolstein , Kyllburg and east of Bitburg .
 Eifel, Belgium, Stadtkyll, Gerolstein, Kyllburg, Bitburg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Eifel, Belgium, Stadtkyll, Gerolstein, Kyllburg, Bitburg