The symbol of Sofia, St Alexander Nevski Cathedral was built in the period 1904-1912 by Russian architect Alexander Pomerantsev. It is built in Neo-Byzantine style. Alexander Nevski cathedral serves as the cathedral church of the Patriarch of Bulgaria and is one of the largest Eastern Orthodox cathedrals in the world, as well as one of Sofia's symbols and primary tourist attractions. The St. Alexander Nevsky Cathedral in Sofia occupies an area of ​​3,170 square meters (34,100 sq ft) and can hold 10,000 people inside. It is the second-largest cathedral located on the Balkan Peninsula, after the Cathedral of Saint Sava in Belgrade .