It is located on Avenida de Dom José Alves Correia da Silva, parish and city of Fátima, central Portugal
 
The Basilica of the Holy Trinity is a huge church dedicated to the Holy Trinity, belonging to the Sanctuary of Fátima complex, offering 8,633 seats and an area of ​​40,000 m².

The project was designed by the Greek architect Alexandros Tombazis, and was inaugurated on October 12, 2007 by the Vatican Secretary of State, Cardinal Tarcisio Bertone on the occasion of the 90th anniversary of the apparitions of the Virgin Mary in Fátima

The Church of the Holy Trinity is located within the Sanctuary of Fátima, on the opposite side of the Basilica, it was inaugurated in 2007, but had been planned since 1973.
The Characteristics of the Basilica of the Holy Trinity in Fátima
 
The Church is the most recent construction of the Fátima Sanctuary complex and is dedicated to the cult of the Holy Trinity.

The intention to build a new temple there dates back to 1973 as it was found that the Basilica of Our Lady of the Rosary of Fátima was no longer large enough to accommodate all pilgrims, particularly on Sundays and other days with medium crowds.

In 1997, through Monsignor Luciano Guerra, the Sanctuary of Fátima organized an international competition for the design of a new building next to Praça de Pio XII, with a scale appropriate to real needs.

The laying of the first stone took place on June 6, 2004, Solemnity of the Holy Trinity, three years later the works were completed, and the church was dedicated on October 12, 2007 by Cardinal Tarcisio Bertone, then Secretary of State of the Vatican and legate of Benedict XVI for the closing of the 90th anniversary of the apparitions of Our Lady, and the church was elevated to the category of Basilica (August 13, 2004). 2012).

The new church was dedicated to the Holy Trinity for the following reasons: the appearances of the Angel of Peace, the Holy Trinity and the Great Jubilee of the Year 2000 also dedicated to the Holy Trinity

The architectural project was carried out by Greek architect Alexandros Tombazis, winner of the international competition launched in 1997, and the structural project by engineer José Mota Freitas.

The new building was fully paid for with donations from pilgrims left at the Sanctuary of Fátima over the years.

The Basilica of the Holy Trinity is the fourth largest Catholic temple in the world, and warmly welcomes pilgrims, allowing a panoramic view of the entire interior and providing the desired monumentality.

The Church of the Holy Trinity is 18 meters high, circular in configuration (125 meters in outer diameter), has a unified interior space, with the roof supported by two beams with a free span of 80 meters.

The building is completely dominated by white, both in terms of the beams in which the white concrete is visible, and in the remaining constructive elements (covered with stone from the Fátima region, known as sea white).

Accessible via two staircases and two ramps, it extends for a total of 150 meters and the east wall is covered with tile panels designed by Álvaro Siza Vieira.

The Church is a modern, round, white construction, the color of the stone it covers, a local stone known as “sea white”.

This huge building is 125 m in diameter, has a volume of 130,000 m3 and 8,633 seats and can be divided into two areas by a movable partition, and there are 76 seats for people with disabilities.

Its architect was the Greek Alexandros Tomazis, but other important artists contributed to this project.

The 8 m high bronze main door dedicated to Christ was made by Pedro Calapez, the painted tile panel in the atrium of the Apostles Peter and Paul is by Siza Vieira, and the 34 m high bronze cross outside the Church is by the German artist Robert Schad.