Eder is a common name in various cultures, often used as a given name or surname. It can be found in countries like Brazil, Portugal, and Spain. The name has different meanings and origins, often associated with qualities like strength or nobility. In addition to being a name, Eder can refer to specific places, such as Eder River in Germany, which is known for its scenic beauty. The term may also relate to notable individuals, such as Eder Militão, a professional football player from Brazil, recognized for his skills on the field.