Here are my humble attempts:
Sodom on the Potomac
Mordor
Grifterville
Crookistan
Poxopolis
Corrupton
Pedopheliana
Crimeopolis
Putzville
The Crapital
Pervertopia
New Moscow
Durka Durka
Parasitopia
Some excellent choices, Marshall! Some great selections. Love Crookistan and Grifterville...