Alba Carolina Citadel

The Coronation Cathedral (Romanian: Catedrala Încoronării), dedicated to the Holy Trinity and the Holy Archangels Michael and Gabriel, is a Romanian Orthodox cathedral located at 16 Mihai Viteazul Street, Alba Iulia, Romania. Built soon after and in commemoration of the Union of Transylvania with Romania, it is the seat of the Romanian Orthodox Archdiocese of Alba Iulia.

The National Museum of the Union (Romanian: Muzeul Național al Unirii) is a history and archaeology museum in Alba-Iulia, Romania.

St. Michael's Cathedral (Romanian: Catedrala Sfântul Mihail, Hungarian: Gyulafehérvári Szent Mihály érseki székesegyház) is the cathedral of the Roman Catholic Archdiocese of Alba Iulia, Romania, and is the oldest and longest cathedral in the country.

The Alba Carolina Citadel (Romanian: Cetatea Alba Carolina, Hungarian: Gyulafehérvári vár) is a star fortess located in the center of Alba Iulia, Romania. Its construction commenced on 4 November 1715, during the Habsburg rule in Transylvania, and was completed in 1738.