The headquarters of International Atomic Energy is located in:

🧠 Explanation:

The International Atomic Energy Agency (IAEA), headquartered in Vienna, Austria, promotes peaceful nuclear energy use and prevents proliferation. Founded in 1957, it oversees nuclear safety, inspections, and technical cooperation globally. Vienna’s role as a diplomatic hub suits the IAEA’s mission, fostering international collaboration. The agency ensures compliance with nuclear treaties, addressing issues like energy security and non-proliferation. Its work impacts global safety, from power generation to medical applications. Vienna’s hosting reflects its status as a center for international organizations, with the IAEA shaping nuclear policy and advancing scientific cooperation worldwide.