The 20th Asian Games opened on 19 September 2026 in which host region of Japan?

Explanation: The 20th Asian Games are being staged in Aichi Prefecture and Nagoya, Japan, from 19 September to 4 October 2026, under the motto "Imagine One Asia". The Olympic Council of Asia awarded the Games to the joint Aichi-Nagoya bid in Da Nang, Vietnam, in 2016. The opening and closing ceremonies are held at Nagoya City Mizuho Park Athletic Stadium. Asian Games facts are perennial favourites in CSS general knowledge and current affairs papers.