Boise ( (listen)) is the capital and most populous city of the U.S. state of Idaho, and is the county seat of Ada County. Located on the Boise River in southwestern Idaho, it is 41 miles (66 km) east of the Oregon border, and 110 miles (177 km) north of the Nevada border. The downtown area's elevation is 2,704 feet (824 m) above sea level. Its estimated population in 2018 was 228,790.
The Boise-Nampa metropolitan area, also known as the Treasure Valley, includes five counties with a combined population of 709,845, the most populous metropolitan area in Idaho. It contains the state's three largest cities: Boise, Nampa, and Meridian. Boise is the 80th most populous metropolitan statistical area in the United States.
Downtown Boise is the cultural center and home to many small businesses and a few mid-rises. The area has a variety of shops and dining choices. Centrally, 8th Street contains a pedestrian zone with sidewalk cafes and restaurants. The neighborhood has many local restaurants, bars and boutiques and supports a vibrant nightlife. The area contains the Basque Block, which showcases Boise's Basque heritage. Downtown Boise's main attractions include the Idaho State Capitol, the classic Egyptian Theatre on the corner of Capitol Boulevard and Main Street, the Boise Art Museum on Capitol in front of Julia Davis Park, and Zoo Boise on the grounds of Julia Davis Park.
Boise is also the site of the only human rights memorial in the U.S., the Anne Frank Human Rights Memorial, located next to its main library.