found: Int. Conf. on Marine Science in the Red Sea (1982 : Hurghada, Egypt). Abstracts, 1982?:t.p. (Al-Ghardaqa, Red Sea, Arab Republic of Egypt)
found: LC manual auth. cd.(hdg.: al Ghurdaqah, Egypt; usage: Hurghada; al Ghurdaqah; al Ghardaqah)
found: BGN, 12-8-83(Al Ghardaqah, ppl., 27°14ʹN 33°50ʹE; variants: Hurghada, Urgada)
found: Muʼtamar Ḥawla Baʻḍ al-Jawānib al-Qānūnīyah al-Muʻāṣirah fī Miṣr (1981 : Ghardaqah, Egypt). Muʼtamar Ḥawla Baʻḍ al-Jawānib ... 1981:t.p. (al-Ghardaqah) added t.p. (Hurgadah)
found: United States. National Imagery and Mapping Agency. Egypt image city map 1:15,000. El-Ghardaqa, c1997
found: BGN online Gazetteer 4-18-2003(Al Ghardaqah, oilf 27°15ʹ00ʺN 033°49ʹ00ʺE; variants: Hurghada, Ghardaqa, Ghardaka)
found: GeoNames, algorithmically matched, 2009(ppl; 27°15ʹ27ʺN 033°48ʹ46ʺE)
found: GNS, viewed May 17, 2025(Hurghada [conventional]; Al Ghardaqah [approved]; Al-Ghardaqa, El-Ghardaqa, Urgada [variants]; PPLA in Egypt; 27:14:32, 33:49:41; also lists a nearby oilfield named Al Ghardaqah)
