Nearly two million Greek-Americans live in large cities like New York and Chicago.
Tarpon Springs, on Florida's west coast, has the highest concentration of Greek-Americans in the US.
The first Greek immigrants arrived during the 1880s, when they were hired to work as divers in the growing sponge harvesting industry. The town now calls itself the sponge capital of the world.
Andy Gallacher reports on how the Greek language, traditions, and faith are being preserved in Tarpon Springs.