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The International Union of Notaries (UINL; Spanish: Union Internacional del Notariado Latino) is a non-governmental organisation. It aims to promote, co-ordinate and develop the function and activities of Notary throughout the world.

The Basilica of St. Stephen in the Round on the Celian Hill (Italian: Basilica di Santo Stefano al Monte Celio, Latin: Basilica S. Stephani in Caelio Monte) is an ancient basilica and titular church in Rome, Italy. Commonly named Santo Stefano Rotondo, the church is Hungary's "national church" in Rome, dedicated to both Saint Stephen, the first Christian martyr, and Stephen I, the sanctified first king of Hungary who converted to Christianity and promoted it in his kingdom. The minor basilica is also the rectory church of the Pontifical Collegium Germanicum et Hungaricum. As of 2005, the Cardinal Priest or titular S. Stephano is Friedrich Wetter.

The Basilica of San Sisto Vecchio (in Via Appia) is one of the over sixty minor basilicas among the churches of Rome, and a titular church since 600 AD. As such, it is connected to the title of a Cardinal priest, currently Antoine Kambanda.

Celio (Italian pronunciation: [ˈtʃɛːljo]) is the 19th rione of Rome, identified by the initials R. XIX, and is located within the Municipio I. Its coat of arms depicts the bust of an African, with an elephant headdress with golden tusks on a silver background, in memory of an African bust that was found in Via Capo d'Africa.

The Caelian Hill (; Latin: Collis Caelius; Italian: Celio [ˈtʃɛːljo]) is one of the famous seven hills of Rome.

San Cesareo in Palatio or San Caesareo de Appia [san tʃeˈzaːreo de ˈappja] is a titular church in Rome, near the beginning of the Appian Way. It is dedicated to Saint Caesarius of Terracina, a 2nd-century deacon and martyr.

The Fontana della Navicella (Fountain of the Small Ship) is a fountain built around a marble and travertine replica of an Ancient Roman sculpture, depicting a decorated Roman Galley, and erected in front of the church of Santa Maria in Domnica of Rome, Italy. While the statue is a copy (1518-1519) made by Andrea Sansovino on commission from Pope Leo X based on fragments discovered near the church.

The Minor Basilica of St. Mary in Domnica alla Navicella (Basilica Minore di Santa Maria in Domnica alla Navicella), or simply Santa Maria in Domnica or Santa Maria alla Navicella, is a Roman Catholic basilica in Rome, Italy, dedicated to the Blessed Virgin Mary and active in local charity according to its long tradition. It has been the titular church of Cardinal Marcello Semeraro since 28 November 2020.

Amba Aradam-Ipponio is an underground station under construction of Line C of the Rome Metro. The station will be located between two important interchanges of the Roman metro system – the station Fori Imperali-Colosseo (Line B) and San Giovanni (Line A). Construction works started in 2013. The station is expected to become operational with the inauguration of the extension of Line C from San Giovanni to Fori Imperiali-Colosseo in 2024.During excavation of the station in 2016, a Roman barracks dating back to the 2nd century AD was unearthed 9 metres (30 ft) below street level.In the summer of 2020, in the wake of the protests triggered by the Black Lives Matter movement, Mayor Virginia Raggi proposed a record in the Capitoline Assembly, which was later approved, to name the station after the Italian-Somali partisan Giorgio Marincola which, however, was not followed by any official act. Amba Aradam was the site of the decisive and gruesome Battle of Amba Aradam of the Second Italo-Ethiopian War, followed by a massacre of Ethiopian troops.

Santi Nereo ed Achilleo is a fourth-century basilica church in Rome, Italy, located in via delle Terme di Caracalla in the rione Celio facing the main entrance to the Baths of Caracalla. It has been the titular church of Cardinal Celestino Aós Braco since 28 November 2020. Note that the cemetery church of the catacomb of Saint Domatilla on the Appian Way, virtually lost in the early Middle Ages and rediscovered in the 1870s by the archaeologist Giovanni Battista de Rossi, carries the same dedication to Nereo and Achilleo.

The church of San Tommaso in Formis is a small church in Rome, situated on the Caelian Hill.

The Villa Celimontana (previously known as Villa Mattei) is a villa on the Caelian Hill in Rome, best known for its gardens. Its grounds cover most of the valley between the Aventine Hill and the Caelian.