) , image = Catedrala greco-catolică "Sf. Treime".jpg , caption = Holy Trinity Cathedral in Blaj. , location =

Blaj Blaj (; archaically spelled as ''Blaș''; hu, Balázsfalva; german: Blasendorf; Transylvanian Saxon dialect, Transylvanian Saxon: ''Blußendref'') is a municipiu, city in Alba County, Transylvania, Romania. It has a population of 20,630 inhabita ...

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...

, geo = , religious_affiliation = Romanian Greek Catholic , district = , consecration_year = 1749 , status = Major cathedral , leadership = , website = , architect = Anton Erhard Martinelli
Johann Baptist Martinelli , architecture_type =

Church Church may refer to: Religion * Church (building), a building for Christian religious activities * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian communal worship * Chris ...

, architecture_style =

Baroque The Baroque (, ; ) is a style of architecture, music, dance, painting, sculpture, poetry, and other arts that flourished in Europe from the early 17th century until the 1750s. In the territories of the Spanish and Portuguese empires including t ...

, facade_direction = , groundbreaking = 1741 , year_completed = 1749 , construction_cost = 61,000

florins The Florentine florin was a gold coin struck from 1252 to 1533 with no significant change in its design or metal content standard during that time. It had 54 grains (3.499 grams, 0.113 troy ounce) of nominally pure or 'fine' gold with a purcha ...

, capacity = , length = , width = , width_nave = , height_max = , dome_quantity = 2 , dome_height_outer = , dome_height_inner = , dome_dia_outer = , dome_dia_inner = , materials = The Cathedral of the Holy Trinity ( ro, Catedrala Sfânta Treime) in

is a Romanian Greek Catholic

cathedral A cathedral is a church that contains the '' cathedra'' () of a bishop, thus serving as the central church of a diocese, conference, or episcopate. Churches with the function of "cathedral" are usually specific to those Christian denomination ...

commissioned by

bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...

Inocențiu Micu-Klein Ioan Inocențiu Micu-Klein, also known by his lay name Ioan Micu (1692 – 22 September 1768), was a Bishop of Făgăraș and Primate of the Romanian Greek Catholic Church from 1730 to his resignation in 1751. He played an instrumental role in t ...

in 1738. The church was built by

Viennese Viennese may refer to: * Vienna, the capital of Austria * Viennese people, List of people from Vienna * Viennese German, the German dialect spoken in Vienna * Music of Vienna, musical styles in the city * Viennese Waltz, genre of ballroom dance * V ...

architect An architect is a person who plans, designs and oversees the construction of buildings. To practice architecture means to provide services in connection with the design of buildings and the space within the site surrounding the buildings that h ...

s Anton Erhard Martinelli and Johann Baptist Martinelli, being completed in 1749. The building was extended in 1838, when the two monumental towers were added.

References

B Baroque church buildings in Romania B Tourist attractions in Alba County Blaj Churches completed in 1749 18th-century Catholic church buildings Romanian Greek Catholic Major Archeparchy of Făgăraș and Alba Iulia {{Romania-EC-church-stub