The city of Sofia is located in Bulgaria. It serves as the capital and is one of the oldest cities in Europe, rich in history and culture. Sofia is situated at the foot of the Vitosha Mountain, offering beautiful natural scenery alongside urban life. The city has a mix of architectural styles, including Roman, Ottoman, and Soviet-era structures. Sofia is also known for its vibrant arts scene and numerous cultural institutions, making it a destination for visitors interested in history and culture.