F91 Dudelange stands as the most successful football club in Luxembourg, hailing from the southern town of Dudelange and competing in the Luxembourg National Division. The club's full name is F91 Dudelange, formed in 1991 from a merger of three local clubs, Alliance Dudelange, Stade Dudelange, and US Dudelange. They play at the Stade Jos Nosbaum. The club's colors are red and yellow. Their history is one of domestic dominance, having won numerous National Division titles and Luxembourg Cups since the merger. Their peak era has been a sustained period of success from the early 2000s to the present, marked by frequent participation in UEFA Champions League and Europa League qualifying rounds, where they have recorded historic wins for Luxembourgish football. The modern squad continues to set the standard domestically, blending experienced players with local talent. The club enjoys strong local support and has become a symbol of national pride on the European stage. F91 Dudelange is the benchmark for football in Luxembourg.