The term SAMOAN SEAPORT is composed of two crossword solutions, APIA (4 letters) and PAGOPAGO (8 letters). APIA is the capital of Samoa, located on the north coast of Upolu Island. It is the country's political, economic, and cultural center. PagoPago is the largest city in American Samoa, located on the main island of Tutuila. It is the main port of entry for the country and serves as a hub for international trade.