Calabarzon strategic importance, Corregidor is found at the mouth of Manila Bay and is under the jurisdiction of Cavite City. Laguna has rugged terrain, with narrow plains near the shores of Laguna de Bay and mountainous ranges further inland. Laguna de Bay is the largest lake in the Philippines, and is named after the town of Bay. Laguna is also home to Mount Makiling, a dormant volcano near Los Banos reputed for its mystical properties. There are also a lot of hot springs near the Makiling area, especially in San Pablo. Another famous landmark in Laguna are the Pagsanjan Falls, in
Laguna de Bay aside from "lago". Some examples of the worldwide usage of "laguna" for lakes include Laguna Chicabal in Guatemala, Laguna de Gallocanta in Spain, Laguna Catemaco in Mexico and Laguna de Leche, the largest lake in Cuba. The lake's alternate name, "Laguna Lake", refers to the Province of Laguna, the province at the southern shore of the lake. Laguna province, though, was named because of the large lake and was originally called "La Laguna" till the early 20th century. In the pre-Hispanic era, the lake was known as "Puliran Kasumuran" ("Laguna Copperplate Inscription", 900 AD), and later by "Pulilan" ("Vocabulario de