Not sure, but I think the PPK may be slightly smaller.
Bersa has some on their website as does Condorsflight.
I just bought a Bianchi Minimilist holster for my .22 Bersa. The fit is a bit too loose and I don't care for the Mickey Mouse "hammer retainer" on it.
Several makers list a dedicated holster for the Bersa .22/.380, some list generic types that fit Bersa, PF9/P11, Makarov.