The Greater Portland METRO is a regional public transportation system, established in 1966, in Southern Maine. Operated by the Greater Portland Transit District, a transit district comprising Portland, Westbrook, Falmouth, Yarmouth, Freeport, and Brunswick, the system also covers Gorham and The Maine Mall portion of South Portland.

Yarmouth is a town in Cumberland County, Maine, United States, twelve miles north of the state's largest city, Portland. When originally settled in 1636, as North Yarmouth, it was part of the Massachusetts Bay Colony, and remained part of its subsequent incarnations for 213 years. In 1849, twenty-nine years after Maine's admittance to the Union as the twenty-third state, it was incorporated as the Town of Yarmouth.