Laguna (province) producing of fish. Carp and tilapia fingerlings are also being grown in inland ponds and freshwater fish pens. There are a total of 457 operators utilizing an area of for fish pens and fish cages. Aside from the Laguna de Bay, approximately 12% of the area in the Seven Lakes of San Pablo is being used for aquaculture. Laguna is home to twenty-one economic zones as registered under the Philippine Economic Zone Authority. Most of these economic zones are located in Santa Rosa, Biñan, and Calamba. The largest economic zone in Laguna is the Laguna Technopark, located in Santa Rosa
Laguna Salada Laguna Salada Laguna Salada (, "Salt Lake") is a municipality ("municipio") of the Valverde province in the Dominican Republic. Within the municipality there are three municipal districts ("distritos municipal"): Cruce de Guayacanes, Jaibón and La Caya. Laguna Salada borders the Septentrional mountain range to the north (which separates it from Puerto Plata), the Yaque del Norte River to the south (which separates it from Mao), the Maizal and Boca de Mao municipal districts to the east (which separate it from Esperanza) and Guayubín to the west (which separates it from the Monte Cristi province). Agriculture is the main economic activity