Eastern. It can generally be said that the middle of the Atlantic Ocean, more specifically the prime meridian, divides the earth into the separate hemispheres. Since Athens, Greece is on the eastern side of the prime meridian, the city is in the eastern hemisphere.
east and west hemisphere
East
west
Western Hemisphere
east
In the Northern Hemisphere, the Sun apparently rises in the east and sets in the west. In the Southern Hemisphere, it is the other way around. The Sun rises in the west and sets in the east. Note that the Sun does not actually move, it is Earth that makes it appear to move.
eastern hemisphere has almost twice as much!
The north east hemisphere, following would be the north west, and afterwards would be the south east, and lastly, the south west.
mostly west
It is the Western Hemisphere, the hemisphere west of the Greenwich Meridian and east of the International Date Line.
There are Northern and Southern hemispheres. Not east west semi circles
Pakistan falls entirely in what we have defined as the Eastern Hemisphere.