Dwars door Vlaanderen (English: Across Flanders) is a semi-classic road bicycle race in Belgium, held annually since 1945. The race starts in Roeselare and finishes in Waregem, both in West Flanders. Since 2017 the event is included in the UCI World Tour.

Waregem, sometimes known as Waereghem, is a municipality and city located in the Belgian province of West Flanders. The municipality lies in the valley of the river Leie, between Kortrijk and Ghent. It is part of the arrondissement of Kortrijk and comprises the towns of Beveren, Desselgem, Sint-Eloois-Vijve and Waregem proper. On January 1, 2019, Waregem had a total population of 38,260. The total area is 44.34 km² which gives a population density of 863 inhabitants per km².