Many of the new cities become very powerful and rich, like
Kapu (Capua),
Neapolis (Νεάπολις, Naples),
Syracuse, Akragas,
Subaris(Σύβαρις, Sybaris).
Other cities in Magna Graecia included
Taras (Τάρας, Taranto),
Epizephyrioi Lokroi or Locri (Λοκροί),
Rhegion (Ρήγιον),
Kroton (Κρότων, Crotone),
Thurii (Θούριοι),
Elea (Ελέα),
Ankon (Αγκων, Ancona), etc.
Naples (Italian Napoli, Neapolitan N pule, from Greek Νέα όλις - Néa Pólis - meaning New City;
see also List of traditional Greek place names) is the largest city in southern Italy and capital of
Campania Region and the Province of Naples. ...
Syracuse (Italian, Siracusa, ancient Syracusa - see also List of traditional Greek place names) is a city on the eastern coast of Sicily and the capital of the province of Syracuse, Italy. ...
Map of central Mediterranean Sea, showing location of Agrigentum (modern Agrigento). ...
Sybaris, a city of Magna Graecia, on the Gulf of Taranto, between the rivers Crathis (Crati) and Sybaris (Coscile), which now meet 3 miles from the sea, but in ancient times had independent mouths, was the oldest Greek colony in this region. ... Founded 706 BC as Taras () Region Apulia
see also List of traditional Greek place names) was founded about 680 BC on the Italian shores of the
Ionian Sea, near modern
Capo Zefirio, by the Locrians, apparently by Opuntii (East Locrians) from the city of Opus, but including Ozolae (West... The ancient city of Rhegion was one of the Magna Graecia colonies founded by Calcidians in 730 BC.
Thucydides wrote that before to found Rhegion, there was a consulting to the Delphi oracle, and then the Messenes, coming from Messene in the Peloponnesos participate to the foundation
Crotone is a city in Calabria, southern Italy, on the Gulf of Taranto. ...
Elea (Velia by the Romans; see also List of traditional Greek place names) was a Greek coastal city founded around 540 BC in Lucania in southern Italy, 15 miles southeast of the Gulf of Salerno.
... Ancona is a city and a seaport in the Marche, a region of northeastern Italy, population 100,507 (2001). ...
Magna Graecia was absorbed into the Roman Republic following the Pyrrhic War. Combatants Roman republic Magna Graecia, Epirus Commanders Publius Valerius Laevinus, Publius Decius Mus Pyrrhus of Epirus The Pyrrhic War was a war between Pyrrhus of Epirus and Rome that lasted from 280 BC to 275 BC.
http://www.nationmaster.com/encyclopedia/Magna-Graecia