Wikipedia:Articles for deletion/Piazzo
It does appear to be a recognised settlement. Separate villages, even if part of another municipality for administrative purposes, as opposed to simple neighbourhoods of other settlements, are generally considered to be notable per . See 
— User:Necrothesp, 13:42, 22 October 2018 (UTC)
Stance: keep
Cited policy: WP:GEOLAND||WP:NPLACE (Wikipedia:Notability)