Cities:
Jangan: http://en.wikipedia.org/wiki/Chang%27an
Don Wang: http://en.wikipedia.org/wiki/Dunhuang
Hotan: http://en.wikipedia.org/wiki/Hotan
Samarkand: http://en.wikipedia.org/wiki/Samarkand
Constantinople: http://en.wikipedia.org/wiki/Constantinople
Eastern part: (Chinese)
Dun Wang caves: http://en.wikipedia.org/wiki/Mogao_Caves
Tarim Basin: http://en.wikipedia.org/wiki/Tarim_Basin
Taklamakan: http://en.wikipedia.org/wiki/Taklamakan_Desert
Karakoram: http://en.wikipedia.org/wiki/Karakoram
Lord Yarkan's name: http://en.wikipedia.org/wiki/Yarkant_County
Huang He River: http://en.wikipedia.org/wiki/Yellow_River
Black Jade River (near Hotan): http://en.wikipedia.org/wiki/Karakash_River
White Jade River (near Hotan): http://en.wikipedia.org/wiki/White_Jade_River
Rok: http://en.wikipedia.org/wiki/Roc_%28mythology%29
Medusa: http://en.wikipedia.org/wiki/Medusa
Western part: (Europe)
Ararat Mountain: http://en.wikipedia.org/wiki/Mountains_of_Ararat
Cappadocia: http://en.wikipedia.org/wiki/Cappadocia
Anatolia/Asia Minor: http://en.wikipedia.org/wiki/Anatolia
Marmara sea: http://en.wikipedia.org/wiki/Sea_of_Marmara
Sigia Dock: http://en.wikipedia.org/wiki/Alexandria_Troas
Hun Monsters: http://en.wikipedia.org/wiki/Huns
Cleopatra's Gate: http://en.wikipedia.org/wiki/Cleopatra%27s_Gate
Pamir Plateau: http://en.wikipedia.org/wiki/Pamir_Mountains
Not sure about these...
Hyungno Ghosts: http://en.wikipedia.org/wiki/Hyeong
Jupiter Temple: http://en.wikipedia.org/wiki/Temple_of_ ... us_Maximus
I'm sure there should be much more. For example about the monster names. I didn't really go into these yet.
