Hotels and bars generally stock these handy maps that show the surrounding area including landmarks.
Check here for something to look at before you go (if you haven't already), maybe it will give you some ideas on where to go in Pattaya...
Pattaya Nightlife Guide. Info on Entertainment, Bars, Gogo's & Restaurants.
Note the links in blue at the very top of the page.
Can't really help you with Bangkok, as I don't like it there much.
Have fun
