You can create a community with your group of friends who are around your area then others can find you all together in Gtalk. Gtalk Profile allows the users to register and their location on Google Maps. According to your public or private settings, other can search and get in touch with you. Moreover, you can find the people about whom you don’t know the details except their name if they have registered in Gtalk.

To find the users click a point on the map where they have been located. The point on the map represents countries, states/provinces, or cities/towns (refer to the legend above the map).
You can also use the search box even further to narrow your search.
If you want others to be able to find you, create your own profile.

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