Hello Peter,

I show you how to add 1 new block position for example header

go to your database>>blocks click Structure find field 'Side' we should add new item for that ,'header' for example save and close.

then go to ftp://libs>>system.lib.php
find array:

PHP Code:
Only registered members can view the code. 
in end of this array add new item:

PHP Code:
Only registered members can view the code. 
save and close.
Then go to ftp://templates>>your_template>>tpl>> if you want to add it in header open header tpl, if you want add it in footer open footer.tpl

and add code where you want see this block

Code:
Only registered members can view the code.
then go to Admin Panel >> Languages click add new phrase and write in key 'header' in value any value. Save and check.