You must choose a server before creating VPN account.
VPN stands for Virtual Private Network, a private connection through a public network or the internet, the virtual network means a network that happens only be virtual. The private network that is formed are private where not everyone can access it. The data sent is encrypted so that it remain confidential though through the public network. If we use a VPN as if making a network within a network or is usualy called tunnel. VPN using one of the three existing tunneling technology namely: PPTP, L2TP and latest standards, Internet Protocol Security (IPSec, shortened to plain). VPN is a combination of tunneling and encryption technology.