Rural quarter placed in the north end of municipality of Saragossa, to 8 km of this one, with 213 meters of altitude. It has 2.025 inhabitants, although from beginning of the year 2000 there is suffered a big real estate "boom" that has done that his population not stops increasing till now. His mayor of quarter is Rafael Royo.

His principal attractions are a church of the XVIth century; and his holidays, which take place on June 24, for Saint John, and 15 of I wither, for San Roque. His current mayor is Rafael Esteban. San Juan has also a school, a library, a youth house and a sports pavilion in which some celebrate in June small medieval holidays.