www.geocities.com
www.tripod.com
www.angelfire.com
www.freewebz.com

Many sites also let you purchase a domain(like www.yoursitename.com)However if you want a free adress the url will be a little longer (like my site http://www.members.tripod.com/~curlyncrunk/index2.html) you'll also have a limitted amount of space.