WireGuard config is in INI syntax, defined in a file usually called `wg0.conf`. It can be placed anywhere on the system, but is often placed in `/etc/wireguard/wg0.conf`.
WireGuard config is in [INI syntax](https://en.wikipedia.org/wiki/INI_file), defined in a file usually called `wg0.conf`. It can be placed anywhere on the system, but is often placed in `/etc/wireguard/wg0.conf`.
The config path is specified as an argument when running any `wg-quick` command, e.g:
`wg-quick up /etc/wireguard/wg0.conf` (always specify the full, absolute path)