Proper noun
(historical) Any of several cities in the ancient Western Asia, including:
Seleucia-on-Tigris or Seleucia on the Tigris, the capital of the Seleucid Empire.
Seleucia Pieria, the port of Antioch.
The Seleucia located in Sittacene near the Seleucia-on-Tigris; also known as Kokhe, Mahoza, Veh-Ardashir, or Bahurasir
Source: en.wiktionary.orgHA Verus 8.3–4; Birley, "Hadrian to the Antonines", 163. Birley cites R.H. McDowell, Coins from Seleucia on the Tigris (Ann Arbor: University of Michigan Press, 1935), 124ff., on the date. Source: Internet
Invernizzi, "Ten Years Research in the al-Madain Area, Seleucia and Ctesiphon," Sumer, 32, (1976), 167–175. Source: Internet
I, pp. 1–88, 1966 G. Gullini and A. Invernizzi, Second Preliminary Report of Excavations at Seleucia and Ctesiphon. Source: Internet
Season 1965, Mesopotamia, vol. 2, 1967 G. Gullini and A. Invernizzi, Third Preliminary Report of Excavations at Seleucia and Ctesiphon. Source: Internet
However, a great accomplishment of the expedition was the discovery of high-quality Roman mosaics from villas and baths in Antioch, Daphne and Seleucia. Source: Internet
Seleucia Pieria, which was already fighting a losing battle against continual silting, never recovered. Source: Internet