Study the following picture and answer the question.

Where is the headquarters of this international organisation?

Brussels, Belgium

The correct answer is option (1) - Brussels, Belgium

The European Union is headquartered in Brussels, Belgium.
The collapse of the Soviet bloc put Europe on a fast track and resulted in the establishment of the European Union in 1992.
On February 7, 1992, The Treaty of Maastricht was signed establishing the European Union (EU).