How to Find Google Maps Latitude and Longitude
Open Google Maps and find the location you are looking for
Right click on the location and choose “center map here”
Now copy the following code and paste it into the address bar
A new box will popup with the latitude and longitude of the location in Google Maps
Windows Mobile users of Foursquare should check out Mysquare; a free application that allows you to access Foursquare from a Windows Mobile device.