The capital of Egypt is CAIRO, which is a five-letter word. CAIRO is the largest city in Egypt and the Arab world, and is located on the Nile River. It is one of the oldest cities in the world, with a history that dates back to the 10th century BC. CAIRO is home to many ancient monuments, including the Great Pyramids of Giza and the Sphinx. It is also a major cultural and economic center in the Middle East.