Sin City is a notable symbol of nightlife in Sofia. This is one of the biggest night clubs in the country, open 7 days a week and enjoying big popularity among the local and visiting club audience and party fans. Sin City boasts a sound and lighting systems compatible with the most famous European and world clubs, excellent location in an imposing detached building (a 3 storey high former cinema) in the central part of Sofia, affordable entrance fees and top quality service. There are several halls/subdivisions in the club which play different music styles, however, the Help Pop-folk club is the one that is the liveliest and almost always fully packed.