Poor Celtic tribes!
Did'nt they play an important role in ancient history?
Here is a suggestion:
Celtic6 nations: LONDINIUM; GLEVUM; GESOCRIBATE
5 nations: LONDINIUM; GLEVUM; COL AGRIPPINA
4 nations: LONDINIUM; LUTETIA; GESOCRIBATE
3 nations: LONDINIUM; LUTETIA; COL AGRIPPINA
Romans6 nations: ROMA; ANCONA; MASSILIA
5 nations: ROMA; ANCONA; MASSILIA
4 nations: ROMA; CARALES; NEAPOLIS
3 nations: ROMA; CARALES; CAESAREA
Greeks6 nations: ATHEN; BYCANTIUM; EPHESOS
5 nations: ATHEN; BYCANTIUM; PELLA
4 nations: ATHEN; BYCANTIUM; PELLA
3 nations: ATHEN; KNOSSOS; ALEXANDRIA
Phoenicians6 nations: TYROS; PETRA; ANTIOCHIA
5 nations: TYROS; PETRA; ALEXANDRIA
4 nations: TYROS; PAPHOS; ANTIOCHIA
Carthaginians6 nations: CARTHAGO; TACAPE; LEPTIS MAGNA
5 nations: CARTHAGO; TACAPE; CAESAREA
Germans6 nations: CASTRA REGINA; VINDOBONA; SIRMIUM