i want to know that PAZHOU is situated in which part of guangzhou, i mean south or west?

also if i have to catch the train from GZ to shenzhen then, what i have to do? , because i will stay pazhou and i have to go to shenzhen (Futian District) which railway station will be near to me in both cases.
i mean ... from Guangzhou to Shenzen and vice versa

in train chart i saw Shenzen north --- shenzhen south / GZ north, south .... i am confused...plz hlp