Kalayaan is a third class municipality in the province of Laguna, Philippines. According to the 2010 census, it has a population of 20,944 people. Kalayaan is roughly rectangular in shape, with a hilly terrain on most of its eastern side, while relatively flat on its western side. Its highest elevations are from 400 to 418 metres. These are found in Sitio Santo Angel, Malaking Pulo, and Cabuhayan in Barangay San Juan, and Sitio Lamao in Barangay San Antonio.