The Cathedral of St. Demetrios in Vidin is the second largest (after the Church of St. Alexander Nevsky in Sofia) Orthodox Church in Bulgaria. The Church has the status of a monument of culture of national significance.

After 1718 Vidin became a border town of the Ottoman Empire. According to the then law, the Bulgarian population were not allowed to live in a fortified town, surrounded by ramparts. Believers villagers lost the opportunity at any time to get into the Orthodox Church of St. Petka and St. Panteleimon, which was behind a high wall. Since the gates of the fortress were closed from 18 o'clock till 7 o'clock, in the churches could not hold a solemn service in such an important Christian holidays like Easter and Christmas. As a result, in the XVII century it was decided to build a new Church outside the fortress. Built the Church was named in honor of the great Martyr Demetrios. He soon became one of the centers of cultural life in Bulgaria and acquired the status of a Metropolitan Church. Since 1868, the Church services are conducted in Bulgarian language.

In the late nineteenth century wooden structure of the temple of St. Demetrios been very old. The building was destroyed and in its place was erected a new. Construction continued for several years: it began in 1885, and in 1890 was celebrated the first Liturgy. However, work on finishing and interior decoration of the Cathedral, under the leadership of Bahmani lasted until 1926, when the ceremony of the consecration and opening of the Church.

The architectural solution of the Cathedral is a three-nave structure with intersecting transverse nave – transept. In the center of the building at a height of 33 meters stands a dome resting on four columns.