The term CITY YEMEN CAPITAL is composed of four crossword solutions: ADEN (4 letters), Sana (4 letters), Sanaa (5 letters), and OMAN (4 letters). ADEN is the former capital of Yemen, located on the Gulf of ADEN in the Arabian Peninsula. Sana is the second largest city in Yemen, located in the western part of the country. Sanaa is the current capital of Yemen, located in the western highlands. OMAN is a neighboring country to Yemen, located on the southeastern coast of the Arabian Peninsula.