1. Mos Eisely
2. Mos Espa
3. Toche (there was a station there, I assume its at least a town) --> Tosche, and it was located outside Anchorhead, no points.
4. Coruscant/Imperial City
5. Cloud City
6. Salis D'aar
7. Theed
8. Anoat City
9. Tipoca City
10. Anchorhead
11. Taris (I think its main city is named after it)
12. Otoh Gunga
13. Kuat City
14. Fest --> appears to be a planet and not a city
15. Rwookrrorro
16. Tibannopolis (I think this one and Cloud City are different, not 100% on that though)

Coronet
Imperial City
Coruscant (1 big city, right?) --> Coruscant and Imperial City are basically the same
Nar Shadda (same?)
Mos Eisley
Anchorhead
Mos Espa
Theed
Otah Gunga --> Otoh Gunga
Cloud City
Ewok Village --> Bright Tree Village

1. Imperial City (also called Galactic City), Coruscant)
2. Kaas City, Dromund Kaas
3. Anchorhead, Tatooine
4. Mos Eisley, Tatooine
5. Mos Espa. Tatooine
6. Mos Ila, Tatooine
7. Aldera, Alderaan
8. Crevasse City, Alderaan
9. Bestine, Tatooine
10. The Twi'lek village on Tython --> no points
11. Coronet, Corellia

Not sure if these count, but:

12. Nar Shaddaa, writ large
13. Taris, writ large

City, Planet

Anoat City, Anoat
Coronat, Corellia --> Coronet
Coruscant, Coruscant
Cloud City, Bespin
Taris, Taris
Nar Shadda, Nar Shadda
Kuat City, Kuat
Aldera, Alderaan
Canyon City, Alderaan --> Crevasse City
Rookwarru, Kashyyyk --> Rowrakruk

Anchorhead, Tatooine
Bestine, Tatooine
Mos Eisley, Tatooine
Mos Espa, Tatooine
Toche Station, Tatooine --> Tosche, but it's not a city
Theed, Naboo
Otha Gunga, Naboo --> Otoh Gunga
Tiopicca, Kamino --> Tipoca
The unnamed city shown on Mon Cala in Season 4 Clone Wars --> Mon Calamari City

Reef City, Mon Calamari (not sure on this one, but it keeps coming to mind) --> Reef Home City, or Reef Home. There's also Crystal Reef.
Ahto City, Manaan
Iziz, Onderon

Coruscant
Coronet
Mos Eisley
Mos Espa
Bespin

Coruscant, Mos Espa, Mos Eisley, Anchorhead, Theed, Otoh Gunga, Cloud City, Heurkea, Aldera, Tipoca City, Iziz, Iltarr City, Tahv

1. Coruscant
2. Mos Eisely
3. Mos Espa
4. Nar Shadda --> Nar Shaddaa
5. Theed
6. Anchorhead
7. Taris
8. Coronet
9. Izis
10. Ahto City
11. Khoonda --> doesn't appear to be a city
12. Cloud City
13. Drashdae --> couldn't find it

Coruscant
Mos Espa
Mos Eisley
Cloud City
Tipoca City
Coronet
Theed
Otoh Gunga
Keldabe
Iltarr City
Mandalore City
Nar Shaddaa
Rwookrrorro

1. Corellian Engineering Corporation
2. Haor Chall Engineering (I think it's what they're called)
3. Kuat Systems Engineering
4. Kuat Drive Yards
5. Rothana Heavy Engineering
6. Sienar Fleet Systems
7. Republic Sienar Systems
8. Baktoid Armor Workshops

Note that this does not include the clearly-government-based shipwrights, like Royal Theed Engineers