Associazione Sportiva Gualdo Casacastalda is an Italian association football club, based in Gualdo Tadino, Umbria and also representing Casacastalda, a frazione of Valfabbrica, Umbria.
Penna San Giovanni borders the following municipalities: Amandola, Falerone, Gualdo, Monte San Martino, Sant'Angelo in Pontano, Servigliano.
The Caterinis themselves traced their nobility to the Cattanei or Cattaneo family, specifically to Gualdo Cattaneo whose family were the Counts of Aversa in 1520.