Carolina (kah-ro-LEE-nah), town (1990 pop. 177,806), NE P.R., 12 mi/19 km ESE of San Juan. Commercial and industrial center; mfg. (pharmaceuticals, chemical prods., electronics). Many banking institutions here; Univ. of P.R.Carolina, Universidad del Caribe, and Colegio Universitario del Este. Louis Muñoz Marín internatl. airport is located here.