Boomahnoomoonah is a locality in the Shire of Moira local government area. On Boomahnoomoonah Road, approximately 12 km southeast of Yarrawonga, Victoria, it was once a small town having its own school, church and post office. Comprising medium to large farms the area is predominantly agricultural, focusing on dairying as well as sheep and cattle grazing. Some viticulture is also practised. "Boomahnoomoonah" is the longest single-word place name in Victoria.