scp [LOCAL_PATH] [USER]@[ADDRESS]:[PATH]

Example: Imagine you want to upload your local foo.tgz to your server into the /var/www/ directory do following:

scp foo.tgz user@123.456.789.012:/var/www/

In case of directory uploading simply pass -r:

scp -r foo/ user@123.456.789.012:/var/www/