Join七 商业与财务 upcoming events being held in Sofia. Sofia, the capital and largest city of Bulgaria, is a vibrant and culturally rich destination known for its eclectic mix of Ottoman and European architecture, numerous thermal springs, and abundant parks and gardens, as well as being home to a wide range of cultural venues, including the National Theatre, the National Art Gallery, and theNational Archaeological Museum, making it an exciting and diverse location for any event.