The Portland metropolitan area or Greater Portland is a metropolitan area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget identifies it as the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area, a metropolitan statistical area used by the United States Census Bureau and other entities. The OMB defines the area as comprising Clackamas, Columbia, Multnomah, Washington, and Yamhill Counties in Oregon, and Clark and Skamania Counties in Washington. The area’s population is estimated at 2,314,554 in 2013. The Oregon portion of the metropolitan area is the state’s largest urban center, while the Washington portion of the metropolitan area is the state’s third largest urban center after Seattle and Spokane. Portions of this are under the jurisdiction of Metro, a directly elected regional government which, among other things, is responsible for land-use planning in the region.