Uccle, also known as Ukkel, is one of the 19 municipalities located within the Brussels-Capital Region of Belgium. Situated in the southern part of the region, it shares borders with the City of Brussels, Forest, Ixelles, and Watermael-Boitsfort, as well as the Flemish municipalities of Drogenbos, Linkebeek, and Sint-Genesius-Rode.
As a municipality within the capital region, Uccle is officially bilingual, recognizing both French and Dutch. It serves as a distinct administrative area characterized by its specific geographic placement bordering both regional and Flemish territories.