Union Township, Lawrence County, Pennsylvania

Oakwood is an unincorporated area and census-designated place (CDP) in Lawrence County, Pennsylvania, United States. The population was 2,270 at the 2010 census.

New Castle Northwest is an unincorporated area and census-designated place (CDP) in Lawrence County, Pennsylvania, United States. The population was 1,413 at the 2010 census.

Oakland is an unincorporated area and census-designated place (CDP) in Lawrence County, Pennsylvania, United States. The population was 1,569 at the 2010 census.

The North Hill Historic District is a residential neighborhood in the city of New Castle, Pennsylvania, that was entered into the National Register of Historic Places in 1999. The 91-block district consists of roughly 450 acres (1.8 km2) of land that sit slightly north of New Castle's business district. The area is historic due to the many ornate homes and mansions—many dating back to the 19th century—that lie within its boundaries.

Neshannock Creek is a 25.65 mi (41.28 km) long tributary to Shenango River that forms at the confluence of Cool Spring and Otter Creek in Mercer County and then flows south to Lawrence County, Pennsylvania. This creek is known for its fly fishing at Volant, Pennsylvania.Neshannock is a Native American name purported to mean "double stream".

The Scottish Rite Cathedral in New Castle, Pennsylvania, United States, was designed by Milwaukee architect R. G. Schmidt and built in 1925. First used in November 1926 as a meeting place for Masonic groups, it is listed in the National Register of Historic Places in Lawrence County, Pennsylvania. Unable to pay taxes during the Great Depression, the Masons lost the building to the county, but reacquired it in 1940 with the creation of the Cathedral Foundation. This non-profit foundation continues to operate the Cathedral today.

The Cascade Center at the Riverplex is a shopping, dining, and entertainment complex located in downtown New Castle, Pennsylvania. Opened in 2006, the complex offers both indoor and outdoor facilities. It occupies much of the site of the Cascade, which was the first movie theater owned by Warner Bros. The complex is situated at the intersection of East Washington Street and Mill Street. As of 2013, Riverplex Partners, Inc. owns the complex. The top three stories are rented by Refresh Dental Management as their corporate headquarters.

New Castle is a city in and the county seat of Lawrence County, Pennsylvania, United States. Located along the Shenango River at the mouth of Neshannock Creek, it is 43 miles (69 km) northwest of Pittsburgh near the Pennsylvania–Ohio border, approximately 17 miles (27 km) southeast of Youngstown, Ohio. As of the 2020 census, the city had a population of 21,926. The commercial center of a fertile agricultural region, New Castle is included in the northwestern part of the Pittsburgh metropolitan area.

New Castle Junior/Senior High School is a public school located in New Castle, Pennsylvania in Lawrence County. It is the only high school in the New Castle Area School District, which serves New Castle and Taylor Township. It was originally founded in 1879. The school is a combined junior high school and senior high school, educating students in 6th through 12th grades. Its total student population is 1,524 as of the 2021-22 school year. It has a student-to-teacher ratio of 16.9 to 1.

The Lawrence County Courthouse is an historic, American courthouse building that is located in New Castle, Lawrence County, Pennsylvania. It was added to the National Register of Historic Places in 1978.

Mahoningtown, also known as "Motown", is a neighborhood in the southwestern part of the city of New Castle, Pennsylvania, United States. Though it is named for the nearby Mahoning River, the city actually sits on the banks of the Shenango River. The two rivers merge and become the Beaver River just south of the city. Mahoningtown is located in Lawrence County at latitude 40.975 and longitude -80.372. Located about two and one-half miles south of New Castle in Taylor township, Mahoningtown was at one time a separate municipality before being annexed by New Castle. Mahoningtown officially became the seventh ward of New Castle, Pennsylvania in 1898.

South New Castle is a borough in central Lawrence County, Pennsylvania, United States. The population was 649 at the 2020 census. It is primarily a residential community which lies south of the city of New Castle, and is part of the Pittsburgh metropolitan area. The borough will officially be annexed into a connecting township on January 1, 2026.