2025 U.S. Women's Open

Erin Hills is a golf course in the north central United States, located in Erin, Wisconsin, in Washington County, 35 miles (55 km) northwest of Milwaukee. The course officially opened in 2006. It hosted the 117th U.S. Open in 2017. The announcement was made in 2010. It was the first USGA regular men's event ever awarded to a course owned by an individual. The 2011 U.S. Amateur, won by Kelly Kraft, was also held at Erin Hills.

The 2017 U.S. Open Championship was the 117th U.S. Open, held June 15–18 at Erin Hills in Erin, Wisconsin, northwest of Milwaukee. Brooks Koepka claimed his first major title with a 16-under-par 272, four strokes ahead of runners-up Brian Harman and Hideki Matsuyama. Koepka's score matched the lowest ever at the championship, set in 2011 by Rory McIlroy. This was the first U.S. Open in Wisconsin, but marked its fifth major, following four editions of the PGA Championship. The PGA was played in 1933 at Blue Mound in Wauwatosa, and at Whistling Straits near Kohler in 2004, 2010, and 2015. The purse was a record for a major at $12 million, and the winner's share exceeded $2 million for the first time, at $2.16 million.

Toland's Prairie or Toland Prairie, later Toland, was a rural unincorporated community in Erin township in Washington County, Wisconsin near the Dodge County line, northwest of Alderley and east of Monches, around the intersection of Clare Lane and Roosevelt Road (Sections 19, 20, 19 and 30). It was named after pioneer farmer and politician Patrick Toland. There was a Toland's Prairie post office from 1846 to 1883; in 1865 the postmaster was John Toland. In 1883 the name was changed, and the Toland post office operated just across the county line in Ashippun from 1883 to 1900.

Thompson is an unincorporated community in the town of Erin, in Washington County, Wisconsin, United States. It is located near Holy Hill.

Druid Lake is a kettle lake located in the town of Erin, Wisconsin, Washington County, Wisconsin near Hartford, Wisconsin. Druid Lake is a natural glacial-formed lake. Druid Lake is surrounded by rugged mixed woods and glacial drumlins in the Southern Savannah Region of southeastern Wisconsin's Kettle Moraine area about 25 miles northwest of Milwaukee. The lake has a maximum depth of 53 feet (16 m). The lake covers 120.9 acres (0 km2), has 2.3 miles (3.7 km) of shoreline and has an average depth of 25 feet (10 m).

WTKM-FM (104.9 MHz) is a commercial FM radio station in Hartford, Wisconsin, serving the Greater Milwaukee radio market. It is owned by Tomsun Media, LLC, which is operated by David and Connie Stout. The radio studios are on North Main Street at Summer Street. WTKM-FM airs a full service radio format of classic country music, with local news, weather, talk and high school sports. WTKM-FM is a Class A FM station. It has an effective radiated power of 5,800 watts. The transmitter is on West Waterford Road in Hartford, shared with its sister station, WPTT 1540 AM.

WPTT (1540 kHz, "Party 92.9") is a commercial AM radio station in Hartford, Wisconsin, serving the Greater Milwaukee radio market. It airs an adult hits radio format and is owned by Tomsun Media LLC, which is operated by David and Connie Stout. The radio studios are on North Main Street at Summer Street in Hartford. WPTT is a daytimer station. Its transmitter is co-located with WTKM-FM's tower, on West Waterford Road. WPTT is powered at 500 watts using a non-directional antenna but must go off the air at night to avoid interference. AM 1540 is a clear channel frequency, reserved for Class A stations KXEL in Waterloo, Iowa, and ZNS-1 in Nassau, Bahamas. Programming on WPTT is heard around the clock on 200-watt FM translator W225CP at 92.9 MHz. It uses the translator dial position in its moniker "Party 92.9."

Erin is a town in Washington County, Wisconsin, United States. The population was 3,664 at the 2000 census. The unincorporated community of Thompson is located in Erin. Erin is home to Erin Hills golf course which hosted the 2017 U.S. Open golf tournament.

Alderley is an unincorporated community located in the town of Ashippun, Dodge County, Wisconsin, United States. Alderley is located on Highway O approximately 7 miles (11 km) north of Stone Bank, 3 miles (5 km) north of the unincorporated community of Mapleton, and 3 miles (5 km) east of Ashippun. The community was named by early settlers for Alderley Edge, England.

Zivko's Ballroom was a music venue located in Hartford, Wisconsin. The Art Deco ballroom was built in 1928, although it was not until 1949 that it became Zivko's Ballroom, after being purchased by businessman Marty Zivko. Some of the artists that performed at Zivko's include Duke Ellington, Louis Armstrong, Joe Walsh, Ted Nugent, Cheap Trick, Ricky Nelson and Chubby Checker. Today the building, now known as the Chandelier Ballroom, is used mainly for wedding receptions.

The Basilica and National Shrine of Mary, Help of Christians at the Holy Hill is a Roman Catholic Marian shrine in Erin, Wisconsin, United States, dedicated to the Blessed Virgin Mary under the venerated title Help of Christians. The land and the shrine serves as a religious pilgrimage and attracts approximately 300,000 visitors each year. Pope Benedict XVI raised the shrine to the status of Minor Basilica via Pontifical Decree on 11 July 2006.

Saylesville is an unincorporated community located in the town of Rubicon, Dodge County, Wisconsin, United States. Saylesville is 3 miles (4.8 km) west-southwest of Hartford.