Get current locations city name, country.

AppDelegate_current_location.h

@interface AppDelegate : UIResponder <UIApplicationDelegate, CLLocationManagerDelegate>

AppDelegate_current_location.m

@synthesize locationManager;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
//.............VIEW SETUP CODE................
     //Current city
    locationManager = [CLLocationManager new];
    locationManager.desiredAccuracy = kCLLocationAccuracyBest;
    locationManager.delegate = self;
    [locationManager startUpdatingLocation];
}

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
    CLLocation *currentLocation = [locations objectAtIndex:0];
    [locationManager stopUpdatingLocation];
    
    CLGeocoder *coder = [[CLGeocoder alloc] init];
    [coder reverseGeocodeLocation:currentLocation completionHandler: ^(NSArray *placemarks, NSError *error) {
      
      CLPlacemark *placemark = [placemarks objectAtIndex:0];
      NSLog(@"Current location: %@, %@", placemark.locality, placemark.country);
    }];
}