Answer
August von Hayek did most of his research in Styria and the Balkans. Styria is a state in Austria that borders Slovenia, Hungary, and Italy. The Balkans is a region of southeastern Europe that includes countries such as Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Kosovo, Macedonia, Montenegro, Serbia, and Slovenia. Hayek's research in Styria and the Balkans focused on the economics of these regions and their development.