The city, near modern El-Batanu or El-Batnu, was important enough in the Late Roman province of Aegyptus Primus to become one of the suffragans of the Metropolitan of the capital, none other than the original Patriarchate of Alexandria. Later it faded.
The diocese was nominally restored Latin Church titular see of the episcopal (lowest) rank under the name of Phatanus (Latine), Phatanen(sis) (Latin adjective) or Fatano (Curiate Italian).
It is vacant since decades, having had only two incumbents, so far of the fitting episcopal rank, including one Eastern Catholic :