How to build a location aware iPhone application?

[OraMaster]

Hi

I have to design an application for iphone and want to know that which database we can use with it and so on.

Overview of an application:
When user download and start application we want to show him a map pointing users current location and clubs nearby to users (let say within 10 kilometers). Here how I come to know users current location and from that how can I find clubs near to user location (within 10 km) and what database tables need to use for this? please reply to me.

Thanks!

[iohos]

mac's mobile me would be resourceful for such an app. check the page code or source info for further details