The St. Alexander Nevsky Cathedral is a Bulgarian Orthodox cathedral in Sofia, the capital of Bulgaria. Built in Neo-Byzantine style, it serves as the cathedral church of the Patriarch of Bulgaria and it is believed to be one of the 50 largest Christian church buildings by volume in the world. It is one of Sofia's symbols and primary tourist attractions.
The St. Alexander Nevsky Cathedral in Sofia occupies an area of 3,170 square metres and can hold 5,000 people inside. It is believed to be among the 10 largest Eastern Orthodox church buildings. It is the largest completed Orthodox Cathedral located in Southeast Europe. It is believed that until year 2000 it was the largest finished Orthodox Cathedral.
Wikipedia https://en.wikipedia.org/wiki/Alexander_Nevsky_Cathedral,_Sofia
Address площад Александър Невски, София 1000, Bulgaria
Coordinates 42°41'44.98" N 23°19'57.952" E