A. Algiers
B. Lagos
C. Kuwait
D. Vienna
✅ The correct answer is option D.
The headquarter of the Organization of Petroleum Exporting Countries are at Vienna. Since 1965, the headquarters of OPEC has been in Vienna, Austria. OPEC was established in Baghdad, Iraq on 10–14 September 1960.
The headquarter of the Organization of Petroleum Exporting Countries are at Vienna. Since 1965, the headquarters of OPEC has been in Vienna, Austria. OPEC was established in Baghdad, Iraq on 10–14 September 1960.