Eastern seaboard
An eastern seaboard can mean any easternmost part of a continent, or its countries, states and cities.
Eastern seaboard may also refer to:

Eastern states of Australia
East Coast of the United States
Eastern seaboard of Thailand
Northeast megalopolis, often coterminous with "Eastern seaboard", the most heavily urbanized region of the United States

See also
East Coast (disambiguation)
West Coast (disambiguation)