Hostel MostelvsArt Hostel
Both hotels are highly recommended by experts. Overall, Art Hostel ranks slightly better than Hostel Mostel. Art Hostel ranks #10 in Sofia with accolades from 2 sources such as Lonely Planet, DK Eyewitness.
Hostel Mostel
 Lonely Planet
2a, Makedonia blvd, Sofia 1000, Bulgaria
From $25/night
- Bar/Lounge
 - Free Internet
 - Free Breakfast
 - Laundry Service
 - Kitchenette
 - Breakfast included
 
 "Occupies a renovated 19th-century house, and has six- and eight-bed dorms, with either shared or private bathrooms, as well as a single and a couple of doubles." Full review
Art Hostel
 DK Eyewitness
 Lonely Planet
21/A, Angel Kanchev str., Sofia 1000, Bulgaria
From $27/night
- Pet Friendly
 - Bar/Lounge
 - Free Internet
 - Free Breakfast
 - Laundry Service
 - Breakfast included
 
 "This hostel, in a very central apartment, has eight simply furnished rooms with wooden floorboards and high ceilings. There is a communal kitchen and a shared bathroom in the hallway." 
Top choice
 "This bohemian hostel stands out from the crowd... Accommodation consists of a attractive, brightly painted three- to eight-bed dorms as well as some airy private rooms." Full review