Quader is a surname primarily associated with notable figures in Bangladesh. While the provided source material does not identify it as a geographical location or a city in Liechtenstein, it lists several prominent individuals who bear the name.
Notable people with the surname Quader include various politicians and activists, such as Ali Quader, Frauke Quader, GM Quader, Manzur Quader, Obaidul Quader, Fazlul Quader Chowdhury, Giasuddin Quader Chowdhury, Salahuddin Quader Chowdhury, and Abdul Quader Molla.