High Quality Content by WIKIPEDIA articles! Toa Baja (TO-ah BAH-hah) is a municipality of Puerto Rico located in the northern coast, north of Toa Alta and Bayamón; east of Dorado; and west of Cataño. Toa Baja is spread over 5 wards and Toa Baja Pueblo (The downtown area and the administrative center of the city). It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area. Toa Baja considered to be a part of the Metropolitan Area. It shares its metropolitan area status with San Juan, Bayamón,Guaynabo, Cataño, Carolina and Trujillo Alto.