九龍 ( i think ) there is no any 室內足球場
but 新界南 do not know much because i don't live in there
you may visit to http://www.gov.com.hk
there are some information of book 室內足球場
(i think book a 足球場 in the website! , it is very good )
i hope u can find a good 室內足球場 !!