Vienna
The headquarters of OPEC (Organization of the Petroleum Exporting Countries) is located in Vienna, Austria.
Vienna
Vienna, Austria
Vienna, Austria
OPEC, the Organization of the Petroleum Exporting Countries, is headquartered in Vienna, Austria.
The organization has maintained its headquarters in Vienna since 1965,
The organization OPEC has maintained its headquarters in Vienna since 1965,
opec
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where is the head quarter of opec
OPEC's population is 372,368,429.
egypt (A+)