The "Old Port of Manila" refers to the original port area along the Pasig River within and next to Intramuros (the walled city), which served as a crucial trade hub for centuries before the modern port was developed elsewhere on Manila Bay. This historical port was vital for both pre-colonial trade and the famous Manila-Acapulco Galleon Trade during Spanish rule, with areas like the Muelle del Rio and Muelle de la Industria marking its location. Pre-colonial and Spanish era: The area around what