Royale Union Saint-Gilloise - often shortened to Union SG or USG - is a football club originally located in the municipality of Saint-Gilles, in Brussels, but now based in the Forest area just outside the Belgian capital. They currently play in the country's top tier Belgian First Division A and they play their home games at the Joseph Marien Stadium.
The club was founded in 1897 and is one of the most successful clubs in Belgium.
