Here are some characteristics that can be used to define land regions:Language,Government,Religion,Forests,Wildlife,Climates they are Some examples of land regions are the Middle East, Amazon River, and the United States. The Middle East has the common features of politics, the environment and religious factors. The Amazon River is characterized by warm temperatures, a large selection of plants and animals and heavy rainfall. The United States can be divided up into many different regions, including the Atlantic States, the Middle Atlantic States, the Midwest, Pacific and the New England states.