Churches

St. Alexander Nevski cathedral, built in tribute to the Russians who died in the war; St.. Petka Samardjiska church preserved from the 15th century to the present, very tiny and dug into the ground; St.. Nedelya church, St. Sofia church, Saint Sedmochislenitsi church , which was once a mosque built by Sinan, and later a prison. There are many churches in Sofia preserved from different periods that will be interesting to look at. In most of them at 9h and 17h are held services and you can listen to chants.