Groß Vollstedt is a municipality situated in the district of Rendsburg-Eckernförde within the German state of Schleswig-Holstein. It is geographically positioned in the triangle formed by the cities of Rendsburg, Kiel, and Neumünster.
The village is located near several major transportation routes, specifically the A 7, A 210, and A 215 highways. The surrounding area features natural landmarks including the Vollstedter See and Brahmsee lakes.