The Hessentag is an annual event, both fair and festival, organized by the German state of Hesse to represent the different regions of Hesse. The events are shown for a week to the visitors, with an emphasis on cultural displays and exhibitions. It is the oldest and largest state festival (Landesfest) in Germany.

Kassel is a city on the Fulda River in northern Hesse, in central Germany. It is the administrative seat of the Regierungsbezirk Kassel and the district of the same name, and had 201,048 inhabitants in December 2020. The former capital of the state of Hesse-Kassel, it has many palaces and parks, including the Bergpark Wilhelmshöhe, which is a UNESCO World Heritage Site. Kassel is also known for the documenta exhibitions of contemporary art. Kassel has a public university with 25,000 students (2018) and a multicultural population.