To celebrate the 100th anniversary of the birth of quantum mechanics, the United Nations General Assembly has designated 2025 as the International Year of Quantum Science and Technology (IYQ), led by UNESCO. As a proud official supporting partner of the IYQ, the Quantum Science Center of the Guangdong-Hongkong-Macao Greater Bay Area, together with the Chinese Physical Society, will be hosting the Greater Bay Area Event Week of the International Year of Quantum and the 4th Greater Bay Area Quantum Science Forum (hereafter referred to as the “International Quantum Week”) in the twin cities of Shenzhen and Hong Kong, China, from November 21 to 27, 2025.