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