Via Militaris (The Road of War), Via Diagonalis (The Diagonal Road) and Via Singidunum (The Royal Road) are different names of the ancient Roman road that passed through the present-day territory of the Sofia Tourist Region and connected Belgrade with Edirne;
27 of the 39 mountains in Bulgaria are located fully or partially on the territory of the Sofia Tourist Region;
the National Archaeological Museum houses the oldest preserved Bulgarian icon – the ceramic icon of St. Theodore from the 9th century;
the Botevgrad Clock Tower is 30 metre tall and is the tallest Bulgarian clock tower from the National Revival period;
in order to complete the building of the Bulgarian Academy of Sciences, 22 Bulgarian academicians took out a personal loan and donated the funds;
throughout its 8 thousand year-old settlement history, Kyustendil has had 10 different names — Pautalia, Ulpia Pautalia, Pautalia Avrelii, Velbazhd, Konstantinova Banya, Aladzha, Banya, Kotka, Kolasia, Kyustendil;
the village of Studen Izvor in Tran region is the birthplace of Dr. Stamen Grigorov — the man who discovered the lactobacillus bulgaricus bacterium and to whom the Museum of Yogurt in the village is dedicated to;
at Petrovski Krast Mount in the Chepan Mountain, five shrines are gathered together — a sanctuary dedicated to the god Sabazios, the remains of the medieval Saints Peter and Paul monastery, a late medieval Christian votive cross, the stone pyramid on the top, and the filled in by diggers bottom of the monastery's holy spring;
for a brief period of its history, Saint Sofia Church was used as a tower for the Sofia Fire Department;
the only monument in honour of boza producers in Bulgaria is located in Radomir;
Vitosha Nature Park is the oldest protected territory on the Balkan Peninsula
