Pisa () is a modern village situated to the east of Olympia, Greece. Currently it is not politically independent but is a neighborhood of the village of Archea Olympia, the capital of the Municipality of Ancient Olympia, of which it is a municipal unit, Ancient Olympia, since 2011. Municipality (deme), municipal unit, village, and ancient site, all telescope at the same location under the same Greek name, archaia Olympia, although different English translations provide some diversity at the different levels. They are all in the regional unit of Elis, located on the northwest side of the geographic (not political) feature of the Peloponnesus Modern Pisa is the putative location of ancient Pisa. Greek history tells of a contention between Olympia, Pisa, and Elis, a village of ancient Elis, for supremacy of the region and management of the sacred precinct. The existence of an ancient district called Pisatis (ἡ Πισᾶτις), which included 8 villages over half of modern Elis, is indicated by many ancient authors. Such a political unit is certain for the 4th century BC. The tradition of an earlier unit is not an unreasonable one. Eventually Olympia was victorious in the contention and Pisa became part of Olympia rather than vice versa. Pisatis area The current location thought to be Pisa is about 1km east of Olympia. A confederacy of eight states apparently existed in Pisatis, of which, besides Pisa, the following names are recorded: Salmone, Heracleia, Harpinna, Cycesium, and Dyspontium. The celebration of the festival of Zeus at Olympia had originally belonged to the Pisatans, in the neighbourhood of whose city Olympia was situated. Legendary foundations Pisa was said to have been founded by an eponymous hero, Pisus, the son of Perieres, and grandson of Aeolus; but others derived its name from a fountain Pisa. Modern writers connect its name with Πῖσος, a low marshy ground, or with Πίσσα, the name of the black fir or pinetree. It was celebrated in mythology as the residence of Oenomaus and Pelops. The Virgilian commentator Servius wrote that the Teuti, or Pelops, the king of the Pisatans, arrived on the Tyrrhenian coast after the Trojan War and founded the Italian (and more famous) Pisa in the 13th century BCE. These traditions are regarded as having no merit of historical truth today, but are classed as folk-etymologies. Early Olympic Games In the eighth Olympiad (747 BCE) the Pisatans succeeded in depriving the