Cmentarz Zydowski is an important piece of the region's history. Look out for any epitaphs which often provide a bounty of interesting facts.
You'll have no end of sightseeing choices when in Gliwice. Cmentarz Zydowski is a great place to kick off here, but there are numerous other interesting sights to explore. Arena Gliwice, Gliwice Castle, and Guido Mine and Coal Mining Museum are not far from the burial ground and and will cap off your day nicely.