have a page with supported domains ( http://www.google.com/supported_domains ) whatever that means... we suppose these are all the official Google country domains. At this time the list includes: 145 Google Domains name By Country :  you can find it pretty interesting. 
  1. www.google.com ( https://www.google.com/ )
  2. www.google.ae
  3. www.google.com.af
  4. www.google.com.ag
  5. www.google.off.ai
  6. www.google.am
  7. www.google.com.ar
  8. www.google.as
  9. www.google.at
  10. www.google.com.au
  11. www.google.az
  12. www.google.ba
  13. www.google.com.bd
  14. www.google.be
  15. www.google.bg
  16. www.google.com.bh
  17. www.google.bi
  18. www.google.com.bo
  19. www.google.com.br
  20. www.google.bs
  21. www.google.co.bw
  22. www.google.com.bz
  23. www.google.ca
  24. www.google.cd
  25. www.google.cg
  26. www.google.ch
  27. www.google.ci
  28. www.google.co.ck
  29. www.google.cl
  30. www.google.cn / www.google.com.hk
  31. www.google.com.co
  32. www.google.co.cr
  33. www.google.com.cu
  34. www.google.cz
  35. www.google.de
  36. www.google.dj
  37. www.google.dk
  38. www.google.dm
  39. www.google.com.do
  40. www.google.com.ec
  41. www.google.com.eg
  42. www.google.es
  43. www.google.com.et
  44. www.google.fi
  45. www.google.com.fj
  46. www.google.fm
  47. www.google.fr
  48. www.google.gg
  49. www.google.com.gi
  50. www.google.gl
  51. www.google.gm
  52. www.google.gr
  53. www.google.com.gt
  54. www.google.com.hk
  55. www.google.hn
  56. www.google.hr
  57. www.google.ht
  58. www.google.hu
  59. www.google.co.id
  60. www.google.ie
  61. www.google.co.il
  62. www.google.co.im
  63. www.google.co.in
  64. www.google.is
  65. www.google.it
  66. www.google.co.je
  67. www.google.com.jm
  68. www.google.jo
  69. www.google.co.jp
  70. www.google.co.ke
  71. www.google.kg
  72. www.google.co.kr
  73. www.google.kz
  74. www.google.li
  75. www.google.lk
  76. www.google.co.ls
  77. www.google.lt
  78. www.google.lu
  79. www.google.lv
  80. www.google.com.ly
  81. www.google.co.ma
  82. www.google.md
  83. www.google.mn
  84. www.google.ms
  85. www.google.com.mt
  86. www.google.mu
  87. www.google.mw
  88. www.google.com.mx
  89. www.google.com.my
  90. www.google.com.na
  91. www.google.com.nf
  92. www.google.com.ni
  93. www.google.nl
  94. www.google.no
  95. www.google.com.np
  96. www.google.nr
  97. www.google.nu
  98. www.google.co.nz
  99. www.google.com.om
  100. www.google.com.pa
  101. www.google.com.pe
  102. www.google.com.ph
  103. www.google.com.pk
  104. www.google.pl
  105. www.google.pn
  106. www.google.com.pr
  107. www.google.pt
  108. www.google.com.py
  109. www.google.com.qa
  110. www.google.ro
  111. www.google.ru
  112. www.google.rw
  113. www.google.com.sa
  114. www.google.com.sb
  115. www.google.sc
  116. www.google.se
  117. www.google.com.sg
  118. www.google.sh
  119. www.google.si
  120. www.google.sk
  121. www.google.sn
  122. www.google.sm
  123. www.google.com.sv
  124. www.google.co.th
  125. www.google.com.tj
  126. www.google.tm
  127. www.google.to
  128. www.google.tp - change to - www.google.tl
  129. www.google.com.tr
  130. www.google.tt
  131. www.google.com.tw
  132. www.google.com.ua
  133. www.google.co.ug
  134. www.google.co.uk
  135. www.google.com.uy
  136. www.google.co.uz
  137. www.google.com.vc
  138. www.google.co.ve
  139. www.google.vg
  140. www.google.co.vi
  141. www.google.com.vn
  142. www.google.vu
  143. www.google.ws
  144. www.google.co.za
  145. www.google.co.zm