Inhabited by the Sicels, it was subject to Syracuse; a treaty was concluded in 263 BCE between the Romans and King Hieron II of Syracuse, Netum was noticed as one of the cities left in subjection to that monarch.
Netum, situated on an island inhabited by the Sicels, was a city under the sway of Syracuse. A treaty was negotiated in 263 BCE between the Romans and King Hieron II of Syracuse, which left Netum as one of the remaining cities under his authority.