緯度経度から住所を文字情報で取得する。

コード

func revGeocoding(coordinate: CLLocationCoordinate2D)
{
    let location = CLLocation(latitude: coordinate.latitude, longitude: coordinate.longitude)
    var geocoder = CLGeocoder()
    geocoder.reverseGeocodeLocation(location, completionHandler: { (placemarks:[AnyObject]!, error:NSError!) -> Void in
        if (error == nil && placemarks.count > 0) {
            let placemark = placemarks[0] as CLPlacemark
            println("Country = \(placemark.country)")
            println("Postal Code = \(placemark.postalCode)")
            println("Administrative Area = \(placemark.administrativeArea)")
            println("Sub Administrative Area = \(placemark.subAdministrativeArea)")
            println("Locality = \(placemark.locality)")
            println("Sub Locality = \(placemark.subLocality)")
            println("Throughfare = \(placemark.thoroughfare)")
        } else if (error == nil && placemarks.count == 0) {
            println("No results were returned.")
        } else if (error != nil) {
            println("An error occured = \(error.localizedDescription)")
        }
    })
}

CLPlacemarkに入っている情報

Administrative Area
- 都道府県
Locality
- 区や市名
Sub Locality
- さらに細かい地域名

などなど。
端末の設定言語で取得される。