It is the first city in Southeast Asia to have to ever host the world championships.
Host selection
On 21 July 2019, World Aquatics (then FINA) selected Kazan as the host, the same day as Budapest, Hungary which was selected for 2027.[2] however due to the response of the Russian invasion of Ukraine, Kazan were stripped of its hosting rights. Singapore was selected to replace Kazan on 9 February 2023.[3]