Alfeld is a town in the state of Lower Saxony, Germany. Located on the Leine river, it is the second biggest city in the district of Hildesheim in southern Lower Saxony and part of the Metropolitan region Hannover-Braunschweig-Göttingen-Wolfsburg. Alfeld is a member of the Leinebergland region and on the German Timber-Frame Road. With the Fagus Factory, Alfeld became a UNESCO World Heritage Site in 2011.

The Leine is a river in Thuringia and Lower Saxony, Germany. It is a left tributary of the Aller and the Weser and is 281 km (175 mi) long.