Assens is a town with a population of 6,061 on the west coast of the island of Funen on the eastern side of the Little Belt in central Denmark. By road, Assens is located 41.2 kilometres (25.6 mi) southwest of Odense, 34 kilometres (21 mi) northwest of Faaborg, and 33.34 kilometres (20.72 mi) southeast of Middelfart. Assens is the municipal seat of Assens Municipality in Region of Southern Denmark. It was the birthplace of sculptor Jens Adolf Jerichau who married the well-known portraitist Elisabeth Jerichau-Baumann; both artists' works are exhibited at the local art museum, Vestfyns Kunstmuseum.

Funen, with an area of 3,099.7 square kilometres (1,196.8 sq mi), is the third-largest island of Denmark, after Zealand and Vendsyssel-Thy. It is the 165th-largest island in the world. It is located in the central part of the country and has a population of 469,947 as of 2020. Fyn's main city is Odense, which is connected to the sea by a seldom-used canal. The city's shipyard, Odense Steel Shipyard, has been relocated outside Odense proper.