Asia's subsequent neotectonic development has largely disrupted the continent's preexisting fabric. The state religion of the Bengal Sultanate was Islam, and the region under its rule, a region that ultimately emerged as the modern nation of Bangladesh, saw a growth of a syncretic form of Islam. The mainland section of Southeast Asia was referred to as Indochina by European geographers due to its location between China and the Indian subcontinent and cultural influences from both neighboring regions. Quora User , experienced the hassles made by the Philippine government. Indonesia has over languages in over 17, islands across the archipelago, making Indonesia the second most linguistically diverse country on the planet, [] slightly behind Papua New Guinea. Rarely do I work my way back to, say, a 14th century Javanese kingdom to which the kingdom of Buayan in Mindanao claimed connection.