Vega Alta is a town and municipality of Puerto Rico. Vega Alta is on the northern coast of the island, north of Morovis and Corozal; east of Ve…Vega Alta is a town and municipality of Puerto Rico. Vega Alta is on the northern coast of the island, north of Morovis and Corozal; east of Vega Baja; and west of Dorado with an area of 28 square miles. Vega Alta is subdivided into seven barrios and Vega Alta barrio-pueblo. It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.