오더 강 is a river located in northeastern Europe, primarily flowing through 폴란드 and 독일. It is approximately 854 kilometers long and serves as a natural border between the two countries for part of its course. The river flows into the 발트해, providing an important waterway for trade and transportation. The 오더 강 basin is home to diverse ecosystems and various species of fish, making it significant for both environmental and recreational activities. The river also plays a role in local economies, supporting industries such as fishing and tourism, while its banks are often used for leisure activities like hiking and cycling.