The City of Brussels is the largest municipality and historical centre of the Brussels-Capital Region, and the de jure capital of Belgium. Besides the strict centre, it also covers the immediate northern outskirts where it borders municipalities in Flanders. It is the administrative centre of the European Union, thus often dubbed, along with the region, the EU's capital city.
The City of Brussels is a municipality consisting of the central historic town and certain additional areas within the greater Brussels-Capital Region, namely Haren, Laeken and Neder-Over-Heembeek to the north, and Avenue Louise/Louizalaan and the Bois de la Cambre/Ter Kamerenbos park to the south.
Wikipedia https://en.wikipedia.org/wiki/City_of_Brussels
Coordinates 50°50'47.606" N 4°21'6.109" E