According to Traveler's Century Club, I currently have 55 regions which is actually different than number of countries (1 Jan 07).  I Need More!

Europe:

1 Switzerland: Zurich, Schaffhausen, Zermatt, Glarus, Bern, Lugano, Pilatus, Luzerne

2 Germany: Frankfurt, Frankenheim, Bischofsheim a. d. Rhoen, Berlin, Singen, Hannover, Giessen, Aschaffenburg, Heidelberg, Duesseldorf, Hanau, Noerdlingen, Hamburg, Munich

3 United Kingdom: London, Manchester, Stratford upon Avon, Bath, Stonehenge, Oxford, Dover, Birmingham, Sherwood Forest, Nottingham, Greenwich

4 France: Paris, Versailles, Normandy (Omaha Beach)

5 Greece: Athens, Kos, Santorini, Patmos, Crete, Rhodes, Mykonos, Corinth, Sunion

6 Turkey: Istanbul (European side)

7 Portugal: Lisbon, Porto, Coimbra, Sintra, Mafra, Alcobaca, Guimareis

8 Denmark: Copenhagen

9 Sweden: Stockholm

10 Finland: Helsinki

11 Russia: St. Petersburg

12 Poland: Gdansk, Gdania

13 Norway: Bergen

14 The Netherlands (Holland): Amsterdam, Utrecht, Eindhoven

15 Liechtenstein: Balzers, Vaduz

16 Belgium: Brussels

17 Austria: Innsbruck, Salzburg, Vienna

18 Spain: Barcelona, Madrid

19 Cypress: Limasol

20 Ireland: Dublin, Killarny, Cork, Shannon, Limerick

North America:

21 Canada: Toronto, Quebec, Montreal, Victoria, Vancouver

22 USA: New York City, Worcester, Philadelphia, Los Angeles (the whole area), San Francisco, Seattle, Washington D.C., Chicago, Boston, Portland OR, Atlanta, Minneapolis - St Paul, Miami, Denver, Worcester, Baltimore, Hartford, Charlotte, Charleston, Scranton, Phoenix, Des Moines, Omaha, Harrisburg, Boca Raton, Phoenix, Tucson, Salt Lake City, Charlottesville, Morgantown, Dallas, San Jose, Jackson Hole, Columbus, Cincinnati, Las Vegas, Austin, Houston, Austin, San Diego, Greensboro, Santa Rosa, Daytona Beach, Orlando, Ft Lauderdale, Tampa, Raleigh, Providence, Buffalo, Cleveland, Evansville, Indianapolis, Toledo, Poughkeepsie, Burlington, Montpelier, Baltimore, St. Louis, Reno, Yosemite, Sacramento, etc. (more than I can really list)

Hawaii, US: Honolulu

Australia:

23 Australia: Sydney, Blue Mountains, Cairns, Kuranda, Melbourne, Phillip Island

Pacific Islands:

24 New Zealand: Auckland, Rotorua, Christchurch, Hokitika, Franz Josef Glacier (and town)

Asia:

6 Turkey: Istanbul, Dikili, Pergamon, Kusadasi, Ephesos (Asian side)

25 Japan: Tokyo, Makuhari, Ginza, Kukuro, Oita, Osaka

26 Taiwan: Hsin Chu, Taipei, Kaohsiung, Tao Yuan

27 Philippines: Metro Manila, Pasa City, Cebu, Laguna, Cavite, Bagna

28 Singapore

29 South Korea: Soule

30 China: Shanghai, Suzhou

31 Hong Kong: Kowloon, Hong Kong

32 Malaysia: Penang, Kuala Lumpor

33 Thailand: Bangkok, Phuket, Phang Nga

South America:

34 Brazil: Rio de Janeiro, Sao Paulo

35 Argentina: Buenos Aires, Ushuaia

Antarctica:

36 Antarctic Peninsula, South Shetland Islands, Weddell Sea, Aitcho Island, James Ross Island

Middle East:

37 Egypt: Alexandria, Cairo, Giza Plateau, Port Said

38 Israel: Ashdod, Jerusalem

Africa:

39 Egypt: Alexandria, Cairo, Giza Plateau, Port Said

Caribbean:

40 Jamaica: Kingston

41 St. Maarten / St. Martin: Philipsburg, Marigot, and everywhere else

42 Tortola

43 Anguilla

44 Curacao

45 Aruba

Central America:

46 Costa Rica: San Jose, Puerto Jaminez, Corcovado National Park, Barrio Carrillo Nat'l Park

47 Panama: Panama City, Barro Colorado Island, Rio Mar

48 Mexico: Cancun