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 de Duero Laguna de Duero Laguna de Duero is a municipality located in the province of Valladolid, Castile and León, Spain. According to the 2016 census (INE), the municipality has a population of 22 ,696 inhabitants. It is the second largest city in Valladolid behind Valladolid City. Nowadays it is an industrial town situated 7 km away from the capital city of Valladolid. The town has some neighbourhoods distant from the town center like Torrelago or El Villar. The town has three industrial estates, for example, those of "Las Lobas" or "Los Barreros". The town is surrounded by pine woods and its