Schulten led the 1905-12 excavations of the celtiberian city of Numantia and the Roman camps nearby and in 1924 searched without success for the location of Tartessos.
A sneak attack on Nantucket itself by the nation of Tartessos, led by an ally of Walker, unites the factions of the Republic behind an all-out effort to topple Walker's growing empire, centered in Achaea (Greece), in a two-pronged campaign, attacking Tartessos and opening a second front in the Middle East (through an alliance with Babylon, Hittite Empire and Mitanni).
A more literal-minded later generation of Greeks associated the region with Tartessos in southern Iberia.
According to the Sicilian Greek poet Stesichorus, in his poem the "Song of Geryon", and the Greek geographer Strabo, in his book Geographika (volume III), the garden of the Hesperides is located in Tartessos, a location placed in the south of the Iberian peninsula.
Situated as it was on the coastal commercial route between Massalia (Marseille) and Tartessos in the far south of Hispania, the city developed into a large economic and commercial centre as well as being the largest Greek colony in the Iberian Peninsula.
According to Pytheas in the 4th century BC as reported by Strabo in the 1st century AD they occupied the area that was Tartessos which was the Baetis River valley (Guadalquivir River Andalusia Spain).