Share Location is a simple application to send location information using any of the available methods your Android provides (mail, SMS, …).

Features:

Select any location
Jump to your current location
Map/satellite view
Share it using mail, SMS, QR code, Twitter, … (it depends on what apps are installed)
Location information includes address, coordinates, Google Maps link and a snapshot of the map

http://code.google.com/p/android-share-location/