The term CAIRO LOCALE is composed of six crossword solutions: EGYPT (5 letters), OCA (3 letters), AIDA (4 letters), GIZA (4 letters), NILE (4 letters), and OHIO (4 letters). Cairo is the capital of Egypt and is located on the banks of the Nile River. OCA is an acronym for the Organization of African Unity, which is headquartered in Cairo. AIDA is an opera by Giuseppe Verdi set in Egypt. Giza is a city in Egypt that is home to the Great Pyramids and the Sphinx. The Nile is the longest river in the world and flows through Egypt. Ohio is a state in the United States.