Celina ( sə-LY-nə) is a city in and the county seat of Mercer County, Ohio, United States about 58 miles northwest of Dayton. The population was 10,400 at the 2010 census. Celina is situated on the northwestern shores of Grand Lake St. Marys.
Erastus is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Monterey is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Sharpsburg is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Sebastian (also St. Sebastian) is an unincorporated community in northern Marion Township, Mercer County, Ohio, United States. Its elevation is 932 feet (284 m), and it is located at 40°26′39″N 84°31′0″W (40.4442136, -84.5166205). Located at the intersection of Sebastian Road and County Road 716-A, the community lies south of the city of Celina, the county seat of Mercer County, and nearly 2 miles (3.2 km) northwest of the village of Chickasaw.
Parkway High School is a public high school located in Rockford, Ohio. It is the only high school in the Parkway Local Schools district. Their nickname is the Panthers. They are a member of the Midwest Athletic Conference. Parkway Local School District was created in 1961–1962, when Willshire and Rockford School Districts merged. Mendon-Union joined Parkway Local School District during the 1992–1993 school year.
St. Henry High School is a public high school located in St. Henry, Ohio, United States. It is part of the St. Henry Consolidated Local Schools district. The school's teams are nicknamed the Redskins. The school is a member of the Midwest Athletic Conference.
St. Anthony's Catholic Church is a historic Roman Catholic church in Padua, an unincorporated community in Washington Township, Mercer County, Ohio, United States.: 44 Built in the late nineteenth century, it remains the home of a functioning congregation, and it has been recognized as a historically significant building because of its architecture.
Cassella is an unincorporated community in Marion Township, Mercer County, Ohio, United States. Located at 40°24′22″N 84°33′8″W (40.4061581, -84.5521770), it lies at an elevation of 955 feet (291 m). Situated at the intersection of State Route 119 and Cassella-Montezuma Road in western Marion Township, it lies in the headwaters of Beaver Creek to the south of the city of Celina, the county seat of Mercer County. Other nearby communities include Maria Stein, 3 miles (4.8 km) to the east, Carthagena, 2 miles (3.2 km) to the north, and St. Henry, 4 miles (6.4 km) to the west.
St. Henry is a village in Mercer County, Ohio, United States. The population was 2,427 at the 2010 census.
Burkettsville is a village in Darke and Mercer counties in the U.S. state of Ohio. The population was 244 at the 2010 census. The current mayor is Joe Stammen.
Fort Recovery is a village in Mercer County, Ohio, United States. The population was 1,430 at the 2010 census. The village is near the location of Fort Recovery, first established in 1793 under orders from General Anthony Wayne. The town is located near the headwaters of the Wabash River.
Neptune is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Coldwater High School is a public high school located in Coldwater, Ohio. It is part of Coldwater Exempted Village Schools.
Immaculate Conception Catholic Church is a parish of the Roman Catholic Church in Celina, Ohio, United States. Founded later than many other Catholic parishes in the heavily Catholic region of western Ohio, it owns a complex of buildings constructed in the early 20th century that have been designated historic sites because of their architecture. Leading among them is its massive church, built in the Romanesque Revival style just 43 years after the first Catholic moved into the city: it has been called northwestern Ohio's grandest church building.
Mercer is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Padua is an unincorporated community in western Washington Township, Mercer County, Ohio, United States. It lies at the intersection of State Route 49 and St. Anthony Road, west of the city of Celina, the county seat of Mercer County. Its elevation is 899 feet (274 m), and it is located at 40°30′30″N 84°47′2″W (40.5083795, -84.7838517).
The Grand Lake St. Marys Lighthouse, also known as the "Northwoods Lighthouse", is a historic lighthouse on Grand Lake St. Marys, a reservoir in the far western part of the U.S. state of Ohio. Located east of the city of Celina in Mercer County, the lighthouse was built in 1923, using a plan modeled after the Eddystone Lighthouse off the coast of Cornwall in the United Kingdom.
St. Henry's Catholic Church is a historic Roman Catholic church in St. Henry, Ohio, United States. Built in the late nineteenth century, it remains the home of a functioning congregation, and it has been recognized as a historically significant building because of its architecture.
St. Rose's Catholic Church (also known as "St. Rosa's Catholic Church") is a historic Catholic church in St. Rose, an unincorporated community in Marion Township, Mercer County, Ohio, United States.
Saint Joseph is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Rockford is a village in Mercer County, Ohio, United States. The village is on the St. Mary's River near the center of the western Ohio border 12 miles Northwest of Celina. The population was 1,120 at the 2010 census.
Celina Senior High School is a public high school located in Celina, Ohio, United States. It is the only high school in the city. Their mascot is a bulldog. They are members of the Western Buckeye League. The average enrollment is around 1,100 students.
Fort Recovery High School is a public high school in the Fort Recovery School District, and is located in Fort Recovery, Ohio. Their nickname is the Indians. They are a member of the Midwest Athletic Conference.
Cranberry Prairie is an unincorporated community in southern Granville Township, Mercer County, in the U.S. state of Ohio.
Chickasaw is a village in Mercer County, Ohio, United States. The population was 290 at the 2010 census.
Mercer County is located in the U.S. state of Ohio. As of the 2020 census, the population was 42,528. Its county seat is Celina. The county was created in 1820 and later organized in 1824. It is named for Hugh Mercer, an officer in the American Revolutionary War.
Grand Lake St. Marys Seaplane Base (FAA LID: O12) is a public use seaplane base located five nautical miles (9 km) southwest of the central business district of St. Marys, a city in Auglaize County, Ohio, United States. It is owned by the Ohio Division of Parks & Recreation and is located on Grand Lake St. Marys, a lake and state park in Ohio.
Montezuma is a village in Mercer County, Ohio, United States. The population was 165 at the 2010 census.
Macedon is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Chattanooga is an unincorporated community located in Mercer County, Ohio.
Wendelin is an unincorporated community in Mercer County, in the U.S. state of Ohio.
The Gruenwald Convent is a historic former Roman Catholic convent in the far western part of the U.S. state of Ohio. Located approximately 0.5 miles (0.80 km) south of the small community of Cassella in Mercer County, the convent was built in 1854. It is one of six convents that were built by the Missionaries of the Precious Blood in this portion of Ohio and in adjacent portions of far eastern Indiana, and one of only two that remain without significant alterations.: 2
Mendon-Union High School was a public school in Mercer County, Ohio that mainly served an area that included the village of Mendon and Union Township. The school and the district were closed following the 1991–92 school year in a budgetary move and they were merged with the neighboring Parkway School District for 1992–93. Parts of the district were also merged into St. Marys City Schools and Spencerville Local Schools.
Mendon is a village in Mercer County, Ohio, United States. The population was 662 at the 2010 census.
St. Rose is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Carthagena is an unincorporated community in Mercer County, Ohio, United States. It has an elevation of 909 feet (277 m) and is located at 40°26′12″N 84°33′36″W.
Wabash is an unincorporated community in Mercer County, in the U.S. state of Ohio.
Coldwater is a village in Mercer County, Ohio, United States. The population was 4,427 at the 2010 census.
Philothea is an unincorporated community in Mercer County, in the U.S. state of Ohio.