Diana Shipping Inc. does not maintain a corporate headquarters, official branch office, or operational base in the Philippines. The company is internationally headquartered in Athens, Greece (specifically located at Pendelis 16, 175 64 Palaio Faliro, Athens), and is incorporated in the Republic of the Marshall Islands. Any local references to the company in Southeast Asia typically involve third-party crew management agencies or maritime logistics partners rather than an official corporate office.