Bihor County in the context of "Crișul Repede (river)"

The Ottomány culture, also known as Otomani culture in Romania or Otomani-Füzesabony culture in Hungary, was an early Bronze Age culture (c. 2100–1400 BC) in Central Europe named after the eponymous site near the village of Ottomány (Romanian: Otomani), today part of Sălacea, located in modern-day Bihor County, Romania. The Middle Bronze Age period of the Ottomány culture in eastern Hungary and western Romania (c. 1750 BC to 1400 BC) is also known as the Gyulavarsánd culture.

The Hungarian minority of Romania (Hungarian: romániai magyarok, pronounced [ˈromaːnijɒji ˈmɒɟɒrok]; Romanian: maghiarii din România) is the largest ethnic minority in Romania. As per the 2021 Romanian census, 1,002,151 people (6% of respondents) declared themselves Hungarian, while 1,038,806 people (6.3% of respondents) stated that Hungarian was their mother tongue.

Most ethnic Hungarians of Romania live in areas that were parts of Hungary before the Treaty of Trianon of 1920. Encompassed in a region known as Transylvania, the most prominent of these areas is known generally as Székely Land (Romanian: Ținutul Secuiesc; Hungarian: Székelyföld), where Hungarians comprise the majority of the population. Transylvania, in the larger sense, also includes the historic regions of Banat, Crișana and Maramureș. There are forty-one counties of Romania; Hungarians form a large majority of the population in the counties of Harghita (85.21%) and Covasna (73.74%), and a large percentage in Mureș (38.09%), Satu Mare (34.65%), Bihor (25.27%), Sălaj (23.35%), and Cluj (15.93%) counties.

Oradea (UK: /ɒˈrɑːdiə/, US: /ɔːˈr-, -djɑː/, Romanian: [oˈrade̯a]; Hungarian: Nagyvárad [ˈnɒɟvaːrɒd]; German: Großwardein [ˌɡʁoːsvaʁˈdaɪn]) is the capital of the Crișana region in Romania. It serves as the administrative centre of Bihor County. The city is situated on both banks of the Crișul Repede River.

As of 2021, Oradea is Romania's ninth most populous city. It is located approximately 10 km (6.2 mi) from the Hungarian border. The municipality covers 11,556 hectares (28,560 acres) and lies between the Apuseni Mountains and the Crișana-Banat plain.

Sălacea (Hungarian: Szalacs) is a commune in Bihor County, Crișana, Romania with a population of 3,036. It is composed of two villages, Otomani (Ottomány) and Sălacea. The Otomani culture, a local Bronze Age culture (2100-1600 BC), takes its name from the village of Otomani.

Sălaj County (Romanian pronunciation: [səˈlaʒ]; Hungarian: Szilágy megye) (also known as Land of Silvania, silva, -ae meaning "forest") is a county (județ) of Romania, located in the north-west of the country, in the historical regions of Crișana and Transylvania. It is bordered to the north by Satu Mare and Maramureș counties, to the west and south-west by Bihor County, and to the south-east by Cluj County. Zalău is the county seat, as well as its largest city.

Cucurbăta Mare (Hungarian: Nagy-Bihar), also known as Bihor Peak, is a mountain in the Bihor Mountains. It is located in the southeastern part of Bihor County, near the border with Alba County, in Romania. It is 1,849 metres (6,066 ft) high and the tallest mountain in the Western Romanian Carpathians.