The Cleveland metropolitan area, or Greater Cleveland as it is more commonly known, is the metropolitan area of Northeast Ohio that contains Cleveland, Ohio, United States and its surrounding area. According to the 2010 Census, the five-county Cleveland-Elyria-Mentor Metropolitan Statistical Area (MSA) consists of Cuyahoga County, Geauga County, Lake County, Lorain County, and Medina County, and has a population of 2,077,240. Greater Cleveland is the largest metropolitan area in Ohio.

Northeast Ohio refers to a similar but substantially larger area. This article covers the area generally considered to be Greater Cleveland, but includes some information generally applicable to the larger region, which is itself part of what is known historically as the Connecticut Western Reserve.

The larger Cleveland-Akron-Elyria Combined Statistical Area is the 14th-largest Combined Statistical Area in the United States, and includes the above counties plus Ashtabula County, Portage County and Summit County, with a population of 2,881,937.

Cleveland ( /ˈkliːvlənd/) is a city in the U.S. state of Ohio and is the county seat of Cuyahoga County, the most populous county in the state. The city is located in northeastern Ohio on the southern shore of Lake Erie, approximately 60 miles (97 km) west of the Pennsylvania border. It was founded in 1796 near the mouth of the Cuyahoga River, and became a manufacturing center owing to its location on the lake shore, as well as being connected to numerous canals and railroad lines. Cleveland's economy has diversified sectors that include manufacturing, financial services, healthcare, and biomedical. Cleveland is home to the Rock and Roll Hall of Fame.

As of the 2010 Census, the city proper had a total population of 396,815 and was the 45th largest city in the United States, and the second largest city in Ohio. It is the center of Greater Cleveland, the largest metropolitan area in Ohio. The Cleveland-Elyria-Mentor Metropolitan Statistical Area in 2011 ranked as the 28th largest in the United States with 2,068,283 people. Cleveland is part of the larger Cleveland-Akron-Elyria Combined Statistical Area, which in 2011 had a population of 2,871,084, and ranked as the country's 15th largest.