Lumban, officially the Municipality of Lumban (), is a 3rd class municipality in the province of Laguna, Philippines. It can reach this town Passing Through Rizal Province via Manila East Road or SLEX. According to the 2020 census, it has a population of 32,330 people. Lumban is one of Laguna's oldest towns, located from Santa Cruz and southeast of Manila. It got its name from Aleurites moluccanus, a tree locally named "lumbang". The province's capital town, Santa Cruz, as well as Cavinti and Pagsanjan, were once part of Lumban. The town is the location of the river, wherein the Laguna Copperplate Inscription was found. The copperplate is the oldest known document found in the Philippines, dating to 900AD. Lumban is the home of Lake Caliraya, a man-made lake often visited by nature lovers and sports people. It is known as the "Embroidery Capital of the Philippines". Fine Jusi and Piña cloth are embroidered by hand, and the finished product is worn by males as Barong Tagalog and by females as Saya (Filipiñana). These are export-quality items. Lumban is also known for its many designs of shoes, sandals, slippers, and step-ins - all made from local materials. They are usually sold in shopping malls in Metro Manila, albeit at slightly higher prices than what can be found in Laguna. Geography Barangays Lumban is politically subdivided into 16 barangays. Lake Caliraya Lumban is the home of Lake Caliraya, a man-made lake. Created in 1939, the lake has developed as a spot for water sports and outdoor recreation including fishing. Surrounding the lake are a number of resorts catering to tourists and vacation homes abound because of the local scenery and climate. Caliraya Dam Caliraya Dam is an embankment dam located in the town of Lumban province of Laguna, in the Sierra Madre Mountain Range of the Philippines. The reservoir created by the dam, Lake Caliraya, initially supplied one of the oldest hydroelectric plants in the Philippines, and later became a recreational area for water sports and fishing. The dam construction was started in 1939 and a small hydroelectric plant was operated in 1942. Lake Caliraya was later connected with another man-made lake, Lumot Lake, to provide more water through a 2.3 km (1.4 mi) underground penstock. Later still the dam and lake were used as the upper reservoir for the Kalayaan Pumped-Storage Hydroelectric plant located west of Lake Caliraya, with Laguna de