Though Serdika might not have many top sights, you can venture to the surrounding area to see attractions like Sofia Central Mineral Baths and Central Sofia Market Hall.

Though rayon Krasna polyana might not have many top sights, you can venture to the surrounding area to see attractions like Vitosha Blvd and Sofia Court House.

Though Fakulteta might not have many top sights, you can venture to the surrounding area to see attractions like Vitosha Blvd and National Museum of History.

Noted for its museums and historic sites, there's plenty to explore in Sofia City Center. Top attractions like Slaveykov Square and Ivan Vazov National Theatre are major draws, and you can hop on the metro at Serdika Station or Lavov Most Station to see more of the city.

While visiting Sredets District, you might make a stop by sights like Monument to the Liberating Tsar and Eagles' Bridge.

Ovcha Kupel might not have many top sights, but National Museum of History and Boyana Church are two attractions nearby that you can check out.