Tetrapoli, on the other hand, began as four separate towns, Ri, Teibar, Heiban and Azdak, as legend has it founded by four brothers. These towns grew together along the river and were eventually consolidated as a polity. The four districts of the city, as might be supposed, retain the names of the original towns. The expression 'Tetrapoli' in Gorean, incidentally, means "Four Cities" or " Four Towns." ---Rogue of Gor, 6:63