Maximopolis is a suppressed Catholic titular see

Titular see

A titular see in various churches is an episcopal see of a former diocese that no longer functions, sometimes called a "dead diocese". The ordinary or hierarch of such a see may be styled a "titular bishop", "titular metropolitan", or "titular archbishop"....

. The original diocese was in Arabia, a suffragan of Bostra.

The true name of the city is Maximianopolis, and so it appears in the Notitia episcopatuum of the Patriarch Anastasius in the sixth century. Pursuant to a decree of the Propaganda (1885), the title is now suppressed; Torquato Amellini having confounded this town with Maximianopolis in Palestina Secunda

Maximianopolis (Palestine)

Maximianopolis was an ancient city in Palestina Secunda. Maximianopolis resumed its ancient name of Rimmon, and is now Roummaneh, nearly four miles to the south of Lajjun or Mageddo . It is also a Catholic titular see.-Biblical identification:...

.

The name which preceded that of Maximianopolis is not known, and we are equally ignorant of its actual identification, though many authorities place it at Sheikh-Miskin, a locality in the Hauran

Hauran

Hauran, , also spelled Hawran or Houran, is a volcanic plateau, a geographic area and a people located in southwestern Syria and extending into the northwestern corner of Jordan. It gets its name from the Aramaic Hawran, meaning "cave land." In geographic and geomorphic terms, its boundaries...

, famous for the extent and beauty of its ruins, where an inscription has been found bearing the name of Bishop Thoma.

Bishops

Its last titular was consecrated in 1876. Two ancient bishops of this see are known:

• Severus, a signatory of the Council of Chalcedon
  Council of Chalcedon
  The Council of Chalcedon was a church council held from 8 October to 1 November, 451 AD, at Chalcedon , on the Asian side of the Bosporus. The council marked a significant turning point in the Christological debates that led to the separation of the church of the Eastern Roman Empire in the 5th...
  
  in 451;
• Peter, known by an inscription.