List of cities - Balkan Mountains- Telephone - Internet - e-sim

• Sliven 1
• Troyan 1
• Veliko Tarnovo 1

• Apriltsi 0
• Arbanassi 0
• Beli Osam 0
• Belovitsa 0
• Bozhentsi 0
• Cherni Osam 0
• Dryanovo 0
• Elena 0
• Etara 0
• Gabrovo 0
• Glozhene 0
• Hisarya 0
• Karlovo 0
• Kazanlak 0
• Koprivshtitsa 0
• Kotel 0
• Krushuna 0
• Panagyurishte 0
• Parc National Balkan Central 0
• Stara Zagora 0
• Starosel 0
• Tryavna 0
• Zheravna 0