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The mountain bisects the Shenandoah Valley just east of Strasburg in Shenandoah County in the north , to its highest peak east of Harrisonburg in Rockingham County in the south .
 Shenandoah Valley, Strasburg, Shenandoah County, Harrisonburg, Rockingham County
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:
 Shenandoah Valley, Strasburg, Shenandoah County, Harrisonburg, Rockingham County