The term 'Arabia Boat' refers to the three countries located on the Arabian Peninsula: Yemen (5 letters), OMAN (4 letters), and SAUDI Arabia (5 letters). These countries are all connected by the Arabian Sea, which is a part of the Indian Ocean. Yemen is located in the southwest corner of the Arabian Peninsula, while OMAN is located in the southeast corner. SAUDI Arabia is located in the center of the peninsula. All three countries have a long history of maritime trade and have been important trading partners for centuries.