The Appalachian region is part of the Eastern Forests, characterized by dense woodlands and diverse ecosystems.

The Eastern Forests biogeographical area includes a variety of forest ecosystems, stretching from the Appalachian Mountains to the coastal plains. This region is rich in deciduous trees, such as oak, maple, and beech, along with a variety of conifers in the higher elevations. The Appalachian region, as part of this broader area, is known for its biodiversity, with many species of plants and animals unique to the mountainous and forested environment. The Eastern Forests biogeographical zone plays a critical role in providing habitat for wildlife, maintaining water cycles, and supporting human activities like recreation, agriculture, and forestry.