Train
Train
Central Railway Station (Tsentralna Gara) Information - 931-1111 Buy tickets at the Rila Ticket centre (info 987 07 77), near the Central Post office in Sofia. There is also a travel centre under NDK (info 65 84 02). Students with proper ID should be able to get a discount of 40 per cent on tickets.
You can find more on the site of the Bulgarian State Railways.