The ruins are close to the present-day village of Günlüce (earlier known as Datbey or Tapaı; in the Ottoman vilayet of Smyrna), 4 kilometres northwest of the town of Ödemiş.

[4] The Roman poet Ovid contrasted the great city of Sardis with what he called "little Hypaepa": Sardibus hinc, illinc parvis finitur Hypaepis.

[9] An inscription from the synagogue of Sardis mentions a benefactor who was a member of the council of Hypaepa, indicating the presence there of a Jewish community.

To these may be added Michael, who in 1230 signed a document issued by the Patriarch Germanus II (Revue des études grecques, 1894, VII).

[6] The Latin diocese was nominally restored as titular bishopric around 1900 as Hipæpa (Curiate Italian Ipæpa) and renamed Hypæpa in 1933.