The capital of Samoa is Apia, which is a four-letter word. The other three-letter word associated with Samoa is ESS, which stands for the Eastern Samoa Standard Time Zone. Apia is the largest city in Samoa and is located on the central north coast of Upolu Island. It is the political, economic, and cultural center of the country. Apia is home to many government offices, businesses, and educational institutions. The city is also known for its vibrant nightlife and beautiful beaches.