Eastern Europe is a region that includes countries such as Poland, Hungary, Czech Republic, and Romania. It is known for its rich history, diverse cultures, and various languages. The area has experienced significant political changes, especially after the fall of the Soviet Union in the early 1990s, leading to the emergence of several independent nations. The geography of Eastern Europe features a mix of mountains, plains, and rivers, contributing to its natural beauty. Major rivers like the Danube and Vistula play important roles in trade and transportation. The region is also home to numerous historical landmarks, reflecting its complex past and cultural heritage.