58628
Sections of the Zagreb river and villages at the base of Mount Bihać are in Croatia , while some are in Bosnia , which causes an excessive number of border crossings on a single route and impedes any serious development in the region .
 Zagreb, Mount Bihać, Croatia, Bosnia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Zagreb, Mount Bihać, Croatia, Bosnia