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is a census-designated place (CDP) in Washington County, Tennessee, United States and a suburb of Johnson City. It is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area – commonly known as the "Tri-Cities" region. The population was 1,273 at the 2000 census.
Gray lies just outside the junction between Interstate 81 and Interstate 26, the latter of which runs directly through the town. Originally, the town was known as Gray Station, as it mainly served as a rail depot, but over time, the shortened name became the preferred usage. The Gray area consisted primarily of rural farmland until the late 20th century, when it began to grow and take shape as a mostly residential suburb, with some minor commercial activity.
According to the United States Census Bureau, the CDP has a total area of 1.7 square miles (4.4 km²), of which, 1.7 square miles (4.4 km²) of it is land and 0.60% is water.