Contact
Central Office
Sofia - 1113
Str,”Hristo Chernopeev” № 3
Bl. 117 - In. A ground floor
Central Office
Tel: + 359 2 870 40 42
Mob: + 359 878 66 56 00
Central Office
E-mail: office@congress-s.bg
E-mail: congress_s@mail.bg
Web: www.congress-s.bg
Contact us
English (UK) 
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