Pigalle and the Rue St.Denis are the 2 spots.
Funnily enough you'll find most of the Irish bars in these 2 areas too
Strips clubs? Hmmm, don't know too much about these but here's a good site with a list of most of the Paris clubs...
http://www.stripclublist.com/y.asp?s=F1&Sort=1
Some of the best are supposed to be :
The Club 88
88 Rue St.Denis
75001
Loving-Chair
62 bis, Jean-Baptiste Pigalla
75009
Mégane
20 Rue Saulnier
75009
Show Girls
5, rue des Halles
75001
Bookmarks