Question: Which county shares a border with the county in which Clarington is located?

full_context: Document 1: Clarington, Ohio: Clarington is a village on the Ohio River in Monroe County, Ohio, United States. The population was 384 at the 2010 census.
Document 2: Brownsville Northside Historic District: Brownsville Northside Historic District is a national historic district located adjacent to the Brownsville Commercial Historic District at Brownsville, Fayette County, Pennsylvania. The district includes 188 contributing buildings and 2 contributing sites in a neighborhood of Brownsville. Most of the contributing buildings are residential, with some commercial buildings and nine churches. The house styles are reflective of a number of popular 19th- and early-20th-century architectural styles including Colonial Revival, Bungalow / American Craftsman, and Greek Revival. The oldest building is Brashear's Tavern (c. 1797), and there are five buildings that date between 1815 and 1840. The contributing sites are cemeteries associated with two of the churches. Located in the district and separately listed are the St. Peter's Church and Bowman's Castle.
Document 3: Ohio Township, Clermont County, Ohio: Ohio Township is one of the fourteen townships of Clermont County, Ohio, United States. The 2010 census reported 5,192 people living in the township, 2,610 of whom were in the unincorporated portions of the township.
Document 4: Monroe Township, Perry County, Ohio: Monroe Township is one of the fourteen townships of Perry County, Ohio, United States. The 2000 census found 1,565 people in the township, 926 of whom lived in the unincorporated portions of the township.
Document 5: Reedville Historic District: Reedville Historic District is a national historic district located at Reedville, Northumberland County, Virginia. The district includes 64 contributing buildings in the village of Reedville. It is an assemblage of primarily residential buildings dating to the late-19th and early-20th century during the village's predominance in the menhaden fishing industry. Notable buildings include the Reedville Masonic Hall, Bethany Methodist Church (1899), five modified Queen Anne style houses known as "Millionaires Row," Reedville Market (the former Blundon and Hinton Department Store), Reed and Rice Store (1913), and the former People's Bank of Reedville (1910).
Document 6: Alderson Historic District: Alderson Historic District is a national historic district located at Alderson, Greenbrier County and Monroe County, West Virginia. The district encompasses 196 contributing buildings and three contributing sites located in the commercial district and surrounding residential section. They are predominantly 19th and early 20th century frame detached residences and masonry commercial buildings including notable examples of the Federal, Greek Revival, and Queen Anne styles. Notable buildings include the Woodson Mohler Grocery building, Johnson and Gwinn warehouse, Greenbrier Mill, First National Bank building, Alderson's Store, Cheasapeake and Ohio depot, U.S. Post Office, and the City Hall (1939). The Alderson Ferry Site is for the ferry established 1789. Located in the district is the separately listed Alderson Bridge.
Document 7: Miami Township, Clermont County, Ohio: Miami Township is one of the fourteen townships of Clermont County, Ohio, United States. The population at the 2010 census was 40,848, up from 36,632 in 2000. The township's students are served mostly by Milford Exempted Village Schools.
Document 8: Alden Bridge: The Alden Bridge is a historic bridge in Alden, Iowa, which carries the town's Main Street over the Iowa River. The concrete bridge is long and consists of two spans. It was built in 1936 to replace an earlier wooden bridge that had begun to deteriorate. The Weldon Brothers Construction Co. supervised the bridge's construction, while the Iowa State Highway Commission designed the structure; it was one of the first bridges designed by the ISHC, which used similar plans for many other bridges in the state. Labor for the construction effort came from the Works Progress Administration, providing jobs for many of Hardin County's unemployed residents. The bridge was dedicated on July 4, 1936, as part of Alden's Independence Day celebrations.
Document 9: Monroe Township, Henry County, Ohio: Monroe Township is one of the thirteen townships of Henry County, Ohio, United States. As of the 2010 census the population was 1,142, of whom 877 lived in the unincorporated portion of the township.
Document 10: Ohio Township, Monroe County, Ohio: Ohio Township is one of the eighteen townships of Monroe County, Ohio, United States. As of the 2010 census, the population was 1,004.
Document 11: Onancock Historic District: Onancock Historic District is a national historic district located at Onancock, Accomack County, Virginia. The district encompasses 267 contributing buildings, 2 contributing sites, and 2 contributing objects. It includes most of the historic residential, commercial, and ecclesiastical buildings in the town of Onancock. The buildings represent a variety of popular architectural styles including the Late Victorian, Greek Revival, and Federal styles. Notable buildings include Scott Hall (1778, 1921), Alicia Hopkins House (1830), Harmon House (c. 1825), Holly House (1860), Ingleside (1880s), Dr. Lewis Harmanson House (1899), Harbor Breeze (1912), First National Bank (1894, 1899, 1921), Roseland Theatre (c. 1940), Market Street Methodist Church (1882), Naomi Makemie Presbyterian Church (1895), the Charles E. Cassell designed Holy Trinity Episcopal Church (1882), Onancock Town Hall (c. 1930), Onancock High School (1921), and Onancock Post Office (1936). Located in the district and separately listed are the Cokesbury Church, Hopkins and Brother Store and Kerr Place.
Document 12: Hokes Mill Covered Bridge: Hokes Mill Covered Bridge is a historic covered bridge at Ronceverte, Greenbrier County, West Virginia. It was built between 1897 and 1899, and measures 12 feet wide and 81.6 feet long. It has red board-and-batten siding and a standing seam metal roof. It is one of two remaining covered bridges in Greenbrier County, the other being Herns Mill Covered Bridge.
Document 13: Old Catonsville Historic District: Old Catonsville Historic District is a national historic district in Catonsville, Baltimore County, Maryland, United States. It was laid out with the construction of the electric railway and is overwhelmingly residential, with three churches (one with a school), a modern public library, and an Art Deco water tower. Architectural styles in the district range from mid- to late-19th century vernacular "I-houses" to late-19th and early-20th century styles such as Queen Anne, Bungalow, Colonial Revival, Dutch Colonial, Tudor Revival, and Craftsman. A large number of these dwellings have freestanding garages, typically finished in a like manner to their houses.
Document 14: Hinton Historic District: The Hinton Historic District is a national historic district located at Hinton, Summers County, West Virginia. The original Hinton Historic District is bordered roughly by the Chesapeake and Ohio Railroad line, James Street, 5th Avenue, and Roundhouse. The boundary increase extended the district to include Mill Street. It encompasses 212 contributing buildings, one contributing structure (a railroad water tank), and two contributing objects (veterans' memorials). They include the business and commercial core of Hinton and surrounding residential areas. The buildings are largely two and three story with first floor commercial activities with offices and apartments above. Many of the buildings feature stone trim and some have cast iron store fronts. Residential buildings are representative of popular late 19th- and early 20th-century architectural styles. Notable buildings include the Wagon Wheel Restaurant (1876), Summers County Library, R.R. Flanagan Building (c. 1906), Lowe Furniture Company Building (c. 1905), former National Bank of Summers building, O. Ike Keaton residence (c. 1905), Bluestone Tire Company building (C. 1919), C&O Railway Passenger Station, Y.M.C.A. (c. 1911), First Baptist Church (1913), Hotel McCreery (c. 1907), Ewart-Miller Building (c. 1905), McCreery / Palmer residence, Carnegie Library, Summers County Jail (1870s), and U.S. Post Office (1926, expanded 1960s). Located in the district is the separately listed Summers County Courthouse.
Document 15: Monroe Township, Harrison County, Ohio: Monroe Township is one of the fifteen townships of Harrison County, Ohio, United States. The 2000 census found 1,241 people in the township, 827 of whom lived in the unincorporated portions of the township.
ground_truth: Greenbrier County
sub_queries: Clarington >> located in the administrative territorial entity Answer: Monroe County
Monroe County >> shares border with Answer: Greenbrier County