Cemeteries to merge after audit on Sydney grave space

Some faiths will run out of grave space in Sydney in up to four and a half years, an audit shows. (Joel Carrett/AAP PHOTOS) (AAP)

Three years is all some Orthodox and Muslim communities have left before their allocated grave space in Sydney's Crown cemeteries is filled.

And the Eastern Orthodox faith, which includes Greek Orthodox, will run out of grave space in four and a half years.