There are a pretty good number of them, large and small,
everything from Sicily (2.5 miles long and a half mile wide) to St
Mere Eglise (a 6 second DZ . . . . . in a Casa)
Here's an alphabetic list:
Gela Drop Zone
Holland Drop Zone
Nijmegen Drop Zone
Normandy Drop Zone
Oran Drop Zone
Rhine Luzon Drop Zone
Saint Mere Eglise Drop Zone
Salerno Drop Zone
Sicily Drop Zone