there are 3 important rivers passing throgh nakhon ratchasima:lam takhong,lam plaimart and lam praploeng.in the north,nakhon ratchasima connects with chaiyaphum and khon kean. its southern border connects with nakhon nayok, prachinburi and sakaew.its eastern border connects with buriram and khon kean.and its western border connects with saraburi and lopburi.