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The towns making up the colonies were originally situated in the states of Chihuahua and Sonora , and were all within roughly 200 miles of the US border .
 Chihuahua, Sonora
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chihuahua, Sonora