Abila Dekapoleos – Abila in the Decapolis or Abila (Greek: Αβιλα; and for a time, Seleucia; Greek: Σέλεύχεια, also transliterated as Seleuceia, Seleukeia, and Seleukheia) was an ancient city, near the Hieromax river in the Decapolis; the site is occupied by two tells and the village of Quailibah, circa 13 km north-northeast of Irbid, Jordan.
The site has been extensively excavated since 1980. The excavations have shown habitation at Abila from ca. 4000 BC to 1500 AD, and have yielded numerous artifacts, and unearthed remains of city walls, a theater, and a sixth century church. 
The city remains a titular see of the Roman Catholic Church, Abilenus in Palaestina; the seat has been vacant since 1977. 
Richard Talbert, Barrington Atlas of the Greek and Roman World, (ISBN 069103169X), p. 69.
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