DZRB (738 AM) Radyo ng Bayan is an AM station owned and operated by Philippine Broadcasting Service in the Philippines. The station's studios are located in 4/F, Philippine Information Agency Building, National Media Center, Visayas Avenue, Brgy. Vasra, Diliman, Quezon City, and its transmitter is located at Brgy Marulas, Valenzuela City. DZRB is the first radio station in the Philippines before the launch of DZRH. Radyo ng Bayan was formerly known as DZFM, one of the oldest radio stations under the Philippine government, and DPI Radio 1 / MPI Radio 1 during Martial Law. Radyo ng Bayan is first oldest radio station in the Philippines, the current one is DZRH.