Barcelona and Catalonia , an autonomous region of Spain , have long had a contentious relationship with the central government .
Catalonia /location/location/contains Barcelona
Spain /location/country/administrative_divisions Barcelona
Catalonia /location/administrative_division/country Spain
Barcelona /location/administrative_division/country Spain
Spain /location/location/contains Catalonia
Spain /location/country/administrative_divisions Catalonia
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Barcelona
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Spain
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Spain
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Catalonia
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