High Quality Content by WIKIPEDIA articles! Istiqlal Mosque, or Masjid Istiqlal, (Independence Mosque) in Jakarta, Indonesia is the largest mosque in Southeast Asia in terms of capacity to accommodate people and building structure. This national mosque of Indonesia was built to commemorate Indonesian independence, as nation`s gratitude for Islam`s blessings; the independence of Indonesia. Therefore the national mosque of Indonesia was named "Istiqlal", an Arabic word for "Independence".