The Wave-Gotik-Treffen is an annual world festival for "dark" music and "dark culture" in Leipzig, Germany. 150+ bands and artists from various backgrounds play at several venues throughout the city over four days on Whitsuntide. The festival also features multiple all-night dance club parties, several fairs with medieval, gothic, and related merchandise, a variety of cultural exhibitions and performances, large themed picnics, and a number of unofficial fringe events.