The ancient kingdom located on the Nile River is Egypt. If you want to find the answer yourself, you can start by conducting a simple internet search using keywords such as "ancient kingdoms on the Nile River." This will provide you with a list of possible ancient civilizations that existed along the Nile River, such as Ghana, Egypt, Mali, and Songhai. By further researching each of these civilizations, you will discover that Egypt was indeed the ancient kingdom located on the Nile River.
