Marriott International is a multinational hospitality company with a large portfolio of hotels and lodges. Marriott's headquarters are located in Bethesda, Maryland. Marriott is the largest hotel chain in the world, with over 6,500 different properties throughout 127 different countries. That amounts to 1.2 million rooms with over 190,000 currently in development. As of 2017, Marriott had over 177,000 employees across the world.