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