Atlanta, the largest city and capital of Georgia, is the seat of Fulton County. It is situated in the northwest part of the state at the base of the Blue Ridge Mountains near the Chattahoochee River. Atlanta is the major commercial and transportation hub of the southeast United States, and its international airport is one of the busiest in the world. The city's economy is led by the service, communications, retail trade, manufacturing, finance, and insurance industries. The convention business is also important, and Atlanta is home to many major corporations, including Coca-Cola, which was founded there in 1892. Atlanta is also a major educational center, with many prestigious universities and colleges, including Emory University, Georgia Institute of Technology. Major attractions include Martin Luther King, Jr., National Historic Site, Grant Park, and the Carter Presidential Center. The 1996 Summer Olympics were held in Atlanta.