<P> On January 25 , 2011 , it was confirmed that the show had been renewed for a fourth season , to be filmed in Italy during the first half of 2011 . The fourth season premiered August 4 , 2011 . MTV confirmed in June 2011 that the fifth season would return to Seaside Heights . </P>
how long did the cast of jersey shore stay in italy
the first half of 2011