The term 'CAPITAL ON LUZON' can be solved by two crossword solutions: MANILA (6 letters) and MANA (4 letters). MANILA is the capital of the Philippines, located on the island of Luzon. It is the most populous city in the country, with a population of over 1.7 million people. Mana is a small town located in the province of Pampanga, also on the island of Luzon. It is known for its historical sites and cultural attractions.