UFO's can be seen virtually anywhere on earth.
In the sky.
In the sky.
In the sky.
In the sky.
It is true that some people have claimed to spot a UFO in China.
Area 51
In the third mission "Lost Little UFO's" there is a mothership for the UFO's that appears right in that spot.
you sit outside in a comfortable spot with your camera and stare up at night
So few sightings are actually reported, there are no reliable statistics.
The hot spots seem to be military bases and cities. UFO hunting would be much easier if they announced prior to appearing. If and when they are sighted it is usually just luck to be in the right place at the right time.
I would think anywhere, Scotland has a lot of the unexplained. its considered the world's hot spot of UFOs. Since it happens all around, there isn't really a specific area to look.
In Nanjing City, there has been multiple sightings of UFOs and have even been caught on video. You can see by going to youtube and checking.