Настрой свой Google

раньше еще были

Latitude & Longitude
Parameter: gll
Name-value Pair: gll=37304332,-121393872
Example: www.google.com/search?hl=en&q=buy.com&btnG=Google+Search&gll=34304332,-101393872

Region
Parameter: gr
Name-value Pair: gr=GB-ENG
Example: www.google.com/search?hl=en&q=buy.com&btnG=Google+Search&gr=GB-ENG

City
Parameter: gcs (to use this parameter, ‘gr’ must be set to the corresponding region as the city)
Name value pair: gr=New York
Example: www.google.com/search?hl=en&q=buy.com&btnG=Google+Search&gr=New York

Postal/Zip code
Parameter: gpc (US only) Target Postal Code (to use this parameter, ‘gl’ must be set to the United States (e.g. ‘gl=US’)
Name-value Pair: gpc=94549
Example: www.google.com/search?hl=en&q=buy.com&btnG=Google+Search&gl=US&gpc=94549

US Designated Market Areas (DMA)
Parameter: gm
Name-value Pair: gm=506 Boston MA-Manchester
Example: www.google.com/search?hl=en&q=buy.com&btnG=Google+Search&gm=506

думаю они и сейчас работают