The Philippines is an archipelago of over 7,000 islands located in Southeast Asia, between the Philippine Sea and the South China Sea. It has a tropical maritime climate and is hot and humid year-round. The population is over 100 million, predominantly Roman Catholic, and languages include Filipino and English. The Philippines has a diverse landscape, with rainforests, mountains like Mt. Apo, and the longest river being the Cagayan River. Major tourist destinations include Boracay Island, El Nido in Palawan, and Siargao for surfing.