The Tasmanian South East bioregion encompasses much of coastal eastern Tasmania, the Midlands and the lower Derwent Valley. It has large areas of open slopes, plains and hills . Prominent features include a highly indented coastline, broad expanses of hilly country and mountain ranges capped with dolerite rock. . The vegetation of the bioregion is dominated by eucalypt woodlands, eucalypt open forests, tall open forests and native grasslands, some of which have been derived from grassy woodland communities by tree clearing.