Union County, Ohio

The Ellis Mounds are a complex of Native American mounds near Marysville in Union County, Ohio, United States. These three mounds form an east-west line on a small ridgeline in a farm field. Believed to have been built by Hopewellian peoples, the mounds are important because they may reveal information about daily life in the Hopewell culture. Archaeologists who study the Hopewell have generally concentrated on their largest ceremonial centers: as a result, while the mortuary customs of the Hopewell are well known, other aspects of their culture are little understood. For this reason, a site such as Ellis that bears the potential of yielding information about such aspects is valuable indeed, especially because its date has not yet been established: Ellis may have been built as early as 300 BC and as late as AD 600. Furthermore, the location of the mounds outside of the Hopewellian heartland farther south may demonstrate the spread of Hopewell influence, since excavations in numerous locations have demonstrated the necessity of assembling a complex society with many workers in order to construct the ceremonial mounds for which the Hopewell are well known.In 1974, the archaeological significance of the Ellis Mounds was recognized when they were listed on the National Register of Historic Places. They are one of seven National Register sites in Union County and the only one in the county's northern regions: three of the other six are within Marysville's city limits; the other three are south and west of Marysville.

Taylor Township is one of the fourteen townships of Union County, Ohio, United States. The 2020 census found 1,516 people in the township.

Woodview Park is an unincorporated community in Paris Township, Union County, Ohio, United States. It is located at 40°15′44″N 83°21′26″W, at the intersection of Ohio State Route 4 and Country Home Road, just north of Marysville.

Broadway is an unincorporated community in western Taylor Township, Union County, Ohio, United States. It has a post office with the ZIP code 43007. It lies along State Route 347 between Raymond and Magnetic Springs. Broadway was one of the last communities to be organized in Union County. It was laid out along the Atlantic and Great Western Railroad, surrounded by giant forests which supplied the community with a great source of revenue. As of 1877, the community contained a spoke and hub factory, four dry goods and grocery stores, two drug stores, one grain warehouse, two blacksmith shops, one boot and shoe shop, a school-house, and a meeting house.

Otter is an unincorporated community in Paris Township, Union County, Ohio, United States. It is located at 40°16′33″N 83°25′09″W, just northwest of Marysville, on the banks of Otter Run, at the intersection of Dog Leg Road and Westlake-Lee Road.Before 1900, there was a railroad station located here on the Western Division of the Toledo and Ohio Central Railway, but never a post office. The railroad station was discontinued on May 26, 1954.

Fleetwood Park is an unincorporated community in Paris Township, Union County, Ohio, United States. It is located at 40°14′59″N 83°22′13″W, surrounded by current Marysville.

Marysville High School (MHS) is a public high school in Marysville, Ohio. It is the only traditional high school in Marysville Exempted Village School District, but is accompanied by the Marysville Early College High School (casually known as "STEM" or "ECHS"). MHS's school mascot is the "Monarch", which is a lion that symbolizes the "King (Monarch) of the Jungle".

Paris Township is one of the fourteen townships of Union County, Ohio, United States. The 2020 census found 27,167 people in the township.

Peoria is an unincorporated community in Liberty Township, Union County, Ohio, United States. It is located at 40°18′50″N 83°26′45″W, along Raymond Road, about 1.75 miles south of Raymond and 6.5 miles northwest of Marysville.A post office was established in Peoria on September 26, 1872; it was closed on August 11, 1967. The mail service is now sent through the Columbus regional mail sorting facility, and distributed through the Marysville and Raymond local post offices.

Marysville is a city in and the county seat of Union County, Ohio, United States, approximately 27 miles (43 km) northwest of Columbus. The population was 25,571 at the 2020 census. It is part of the Columbus metropolitan area. Marysville's longtime slogan is "Where the Grass is Greener". In December 2008, the city was designated as a "Preserve America Community" by First Lady Laura Bush.

Claibourne is an unincorporated community in Claibourne Township, Union County, Ohio, United States. It is located at 40°23′17″N 83°20′57″W, at the intersection of Claibourne Road and Bethlehem-Claibourn Road.

Union County Airport (ICAO: KMRT, FAA LID: MRT) is a public use airport in Union County, Ohio, United States. It is owned by the Union County Airport Authority and located one nautical mile (2 km) southeast of the central business district of Marysville, Ohio. This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned MRT by the FAA, but has no designation from the IATA (which assigned MRT to Moroak, Northern Territory, Australia).