Geographical boundaries are defined lines that separate different areas, such as countries, states, or regions. These boundaries can be natural, like rivers and mountains, or artificial, created by human decisions and agreements. They help establish political, social, and economic divisions, influencing how people interact and govern themselves. These boundaries can change over time due to various factors, including wars, treaties, and negotiations. For example, the boundaries of Europe have shifted significantly throughout history, impacting the cultures and identities of the nations within it. Understanding geographical boundaries is essential for studying geography, history, and international relations.