Opis2024-01-16T20:53:17ZM. Roaftag:atlantides.org,2010:pleiades/c6062c494e5cb16b85cfb62bb0ae7d91Opistag:atlantides.org,2010:pleiades/c6062c494e5cb16b85cfb62bb0ae7d912024-01-16T20:53:17ZOpis was an ancient city of Babylonia located on the Tigris river close to the site of modern Baghdad.33.184400 44.701500