Nilma is a locality in the West Gippsland region of Victoria, Australia located between Warragul and Darnum. The Post Office opened on …Nilma is a locality in the West Gippsland region of Victoria, Australia located between Warragul and Darnum. The Post Office opened on 1 May 1886 as Bloomfield Railway Station, was renamed Nilma in 1909 and closed in 1979.