• The reason the edifice was built was for Christian religious services (see
Church (building) for more detail) • Entries are included even if they
currently do not function as a church. For example, the
Hagia Sophia is included; it was originally built as a church but currently operates as a mosque. • Buildings that were not originally constructed as churches are generally not included; for example, the
Lakewood Church building, which was initially built as the
Compaq Center. An exception is made for buildings that have been substantially modified for use as a church; for example, the
Mosque–Cathedral of Córdoba. • The building must still be standing. • The building has a known
floor area of more than . • Internal floor area is measured to the internal face of the external walls. • External floor area is measured to the external face of the external walls. • A reliable source is present that states the building's area. • Not a
shrine,
tabernacle,
temple, or any other structure that functions separately from a church. ==List==