Al-Ubaid

Ubaid, Abyad, Obeid, Ebeid, Ubayd, Ubayyid, Ubaidi, Al-Ubaid, El-Obeid, &c. are all romanizations of عبید, an Arabic word or name forming the diminutive form of ʿAbd, meaning 'servant' or 'slave'.  It is often understood as the shortened form of Ubayd Allah, meaning "small/humble servant of God". 

People
 Ubayd (name)
 Obaid (name)
 Obeid (name)
 Al-Ubaid, an Arab tribe

Places
 El-Obeid, a city in Sudan
 El Obeid Airport
 Tell al-'Ubaid, a type site of the Ubaid period
 Al Ubaidi, a town in Iraq
 Beit Obeid, or Beit Abid, a village in Zgharta District, in the Northern Governorate of Lebanon
 Wadi al-Abyad in Iraq
 Wadi Al Abyadh in Oman
 21712 Obaid (1999 RL96), a Main-belt Asteroid

Other
 The Ubaid period, a Neolithic and Chalcolithic period in Mesopotamia

See also
 Ubayd Allah, for the many variants of that name, based upon this one and the Arabic word for "God"