Why not? It's just a shorter way to say the name.
The plural of the proper noun Philly is Phillies. (As a nickname for Philadelphia, it has no plural.) The plural of the common noun filly (young female horse) is fillies.
Philly
Philadelphia dip is made in Italy. I don't get why it's called philadelphia!!
Philly
Philadelphia
"Philly" is short for "Philadelphia." There is also a team here, named the Phillies.
The correct spelling is "Philly." This term is often used as a shortened form of Philadelphia, a city in the state of Pennsylvania.
The abbreviation for the City of Philadelphia is PHL.
the philadelphia athletics
Philly (Philadelphia)
Phili
Definitely. Who doesn't want to be from Philly anyway?