Stuart L. Harris is an American researcher, self-described as an linguist, historian and archaeologist. He has contributed over eighty papers to the Migration & Diffusion website(a) and dozens to the Academia.edu site(b). He has touched on a wide variety of subjects; from Comet Encke to Glozel and Newgrange to Noah’s Flood. Although I am not a linguist, I think that that Harris’ penchant for ‘finding’ evidence of the Finnish language in locations as far apart as Dacia, Gaul, Teotihuacan and Hawaii is highly questionable, but I shall leave it to others, more skilled than I, to comment further.
Inspired by Felice Vinci, Harris has promoted the idea of Troy in Finland, but until lately he had not directly addressed the question of Atlantis, but in recent private correspondence with me, he has claimed that Plato’s lost island had been situated in the vicinity of Rockall and destroyed around 9577 BC. He later published these ideas in a number of papers on the Academia.edu website(c-f) in which he proposed that a close encounter with Nibiru (Marduk) that resulted in a number of its satellites impacting the Earth, causing devastation which included the demise of Atlantis. He also equated Nibiru with Marduk. The article contains a lot of wild speculations including the suggestion that Nibiru on a return to Earth in 9417 BC, lost another of its satellites, which became our Moon!
Adrian Bucurescu is a Romanian ethnographer and a prolific article writer and also the author of Dacia Secreta and Dacia Magica. He identifies the Black Sea and what is now mainland Romania as the home of Atlantis. He locates the Pillars of Hercules at the Danube gorge at the mouth of S-W Romanian river Cerna (also known as Acheron, Charon, Geryon) and that the capital of Atlantis was the city of Tulcea (Tul=atlas+Cea=land) at the Danube Delta.
>A recent book  by Antonije Shkokljev & Slave Nikolovski–Katin have related an ancient version of the ‘Labours of Hercules’ based in the Balkan-Danube region.<
Furthermore, Bucurescu claims that Plato originally said 5,000 not 9,000 years had elapsed between the Atlantean war and Solon’s visit to Egypt. He bases this idea on his claim that the works of the Greek philosophers were preserved in Arabic translations after the fall of Constantinople and that their numbers ‘5’ and ‘9’ were sufficiently similar to have led to a transcription error!(b)>This is difficult to accept as the Arabic character for nine is rather like our ‘9’, while the Arabic five is like our zero!<
However, a further contribution on Graham Hancock’s website has him listing the ten kingdoms (of Atlantis) extending over a much larger region, including Poland, Egypt and Sumeria(a)!
Thrace was an ancient kingdom, which according to Greek mythology was named after Thrax, the son of Ares, the Greek god of war. Some push back the origins of the Thracians to 3000 BC(b). Homer described the Thracians as allies of Troy. Today Thrace would occupy southeast Bulgaria along with adjacent parts of Greece and Turkey. Some have attempted to link Thrace with Atlantis(a). Abraham Akkerman suggests in Phenomenology of the Winter City[1179.98] that the inspiration for “Plato’s layout of his Ideal City on the island of Atlantis” may be found in Thrace. Keep in mind that situated just north of Thrace was Dacia, part of Romania, another Atlantis candidate.
Romania does not automatically leap to mind as a possible location for Atlantis, nevertheless, in 1913 a massive book by Nicolae Densusianu was published in which such a claim was made. The suggestion was made en passant in this large work, which is mainly concerned with the prehistoric evolution of civilisation in the Dacia region of Romania. The 1000-page+ book in English is available in its entirety on the Internet.
The Pannonian Plain, now part of Hungary was formerly part of ancient Dacia. A paper was submitted to the 2008 Atlantis Conference in Athens by three Romanian researchers, M. Ticleanu, P. Constanin and R. Nicolescu proposing that this region had been the original location of Atlantis. This paper, together with a large number of maps, is now available on the internet(a).
The location of the Pillars of Heracles is also discussed in depth and the author not unexpectedly also locates them along the Danube (Pt3 – Ch.XVI). It is noteworthy that in ancient times the Danube was called Okeanos Potamos.
To what extent nationalistic motives were the moving force behind this noteworthy tome is difficult to ascertain, but the possibility should be borne in mind. However, his excessive nationalism, was popular during the communist regime, but is now deemed unacceptable and his work discredited.
In the meantime, neighbouring Bulgaria had seen the unearthing of remarkable artefacts, including gold jewellery, dating to 3000 BC and is now claiming the discovery of rock temples in the Rhodope Mountains that are a thousand years older than the Mesopotamian and Egyptian civilisations. Watch this space.
Nicolae Densusianu (1846-1911) was a Romanian ethnologist and folklorist, although he was born in Transylvania, at the time part of the Austro-Hungarian Empire. He claimed that ancient Dacia had been the centre of a widespread Pelasgian Empire. His major work, published posthumously, Prehistoric Dacia, includes the suggestion that Atlantis had been located in Dacia, now Romania. The text of this extensive book, in English, is available in its entirety on the Internet.
His excessive nationalism, popular during the communist regime, is now deemed unacceptable and his work discredited.
Densusianu’s work has also been recently echoed in two books by the Serbian historian, Ranko Jakovljevic, although he moves the focus further west from Romania to his own native Serbia.