Nicolosi is a comune in the Metropolitan City of Catania in the Italian region Sicily, located about 160 kilometres southeast of Palermo and about 12 kilometres northwest of Catania. Nicolosi borders the following municipalities: Adrano, Belpasso, Biancavilla, Bronte, Castiglione di Sicilia, Maletto, Mascalucia, Pedara, Randazzo, Sant'Alfio, Zafferana Etnea.