Cairo is the capital of Egypt and is located on the banks of the Nile River. The crossword solutions for Cairo are OCA (3 letters), AIDA (4 letters), LORRE (5 letters), NILE (4 letters), OHIO (4 letters), and EGYPT (5 letters). OCA stands for the Organization of African Unity, AIDA is an opera by Giuseppe Verdi, LORRE is a German-American actor, NILE is the longest river in the world, OHIO is a state in the United States, and EGYPT is the country in which Cairo is located.