Counties of Romania in the context of "Olt River"

Bucharest (UK: /ˌbuːkəˈrɛst/ BOO-kə-REST, US: /ˈbuːkərɛst/ -⁠rest; Romanian: București [bukuˈreʃtʲ] ) is the capital and largest city of Romania. The metropolis stands on the River Dâmbovița in south-eastern Romania. Its population is officially estimated at 1.71 million residents within a greater metropolitan area of 2.31 million residents, which makes Bucharest the 8th most-populous city by population within city limits in the European Union. The city area measures 240 km (93 sq mi), while the metropolitan area covers 1,811 km (699 sq mi). The city proper is administratively known as the "Municipality of Bucharest" (Romanian: Municipiul București), and has the same administrative level as that of a national county, being further subdivided into six sectors, each governed by a local mayor. Bucharest is a major cultural, political and economic hub, the country's seat of government, and the capital of the Muntenia region.

Bucharest was first mentioned in documents in 1459. The city became the capital in 1862 and is the centre of Romanian media, culture, and art. Its architecture is a mix of historical (mostly Eclectic, but also Neoclassical and Art Nouveau), interbellum (Bauhaus, Art Deco, and Romanian Revival architecture), socialist era, and modern. In the period between the two World Wars, the city's elegant architecture and the sophistication of its elite earned Bucharest the nicknames of Little Paris, or Paris of the East. Although buildings and districts in the historic city centre were heavily damaged or destroyed by war, earthquakes, and even Nicolae Ceaușescu's program of systematization, many survived and have been renovated. In recent years, the city has been experiencing an economic and cultural boom. It is one of the fastest-growing high-tech cities in Europe. In 2016, the historical city centre was listed as "endangered" by the World Monuments Watch.

Constanța (Romanian pronunciation: [konˈstantsa] ) is a county (județ) of Romania on the border with Bulgaria, in the Dobruja region. Its capital city is also named Constanța.

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.

A commune (comună in Romanian) is the lowest level of administrative subdivision in Romania. There are 2,686 communes in Romania. The commune is the rural subdivision of a county. Urban areas, such as towns and cities within a county, are given the status of city or municipality.

In principle, a commune can contain any size population, but in practice, when a commune becomes relatively urbanised and exceeds approximately 10,000 residents, it is usually granted city status. Although cities are on the same administrative level as communes, their local governments are structured in a way that gives them more power. Some urban or semi-urban areas of fewer than 10,000 inhabitants have also been given city status.

Western Moldavia (Romanian: Moldova Occidentală, Moldova de Apus, or Moldova de Vest), also known as Romanian Moldavia, is the core historic and geographical part of the former Principality of Moldavia situated in eastern and north-eastern Romania. Until its union with Wallachia in 1859, the Principality of Moldavia also included, at various times in its history, the regions of Bessarabia (with the Budjak), all of Bukovina, and Hertsa; the larger part of the former is nowadays the independent state of Moldova, while the rest of it, the northern part of Bukovina, and Hertsa form territories of Ukraine.

Romanian Moldavia consists of eight counties, spanning over 18% of Romania's territory. Six out of the 8 counties make up Romania's designated Nord-Est development region, while the two southern counties are included within Romania's Sud-Est development region. It comprises roughly 48.67% of the wider region of Moldavia.

Mureș County (Romanian pronunciation: [ˈmureʃ], Romanian: Județul Mureș, Hungarian: Maros megye) is a county (județ) of Romania, in the historical region of Transylvania, with the administrative centre in Târgu Mureș. The county was established in 1968, after the administrative reorganization that re-introduced the historical județ (county) system, still used today. This reform eliminated the previous Mureș-Magyar Autonomous Region, which had been created in 1952 within the People's Republic of Romania. Mureș County has a vibrant multicultural fabric that includes Hungarian-speaking Székelys and Transylvanian Saxons, with a rich heritage of fortified churches and towns.

Satu Mare County (Romanian: Județul Satu Mare, pronounced [ˌsatu ˈmare], Hungarian: Szatmár megye) is a county (județ) of Romania, on the border with Hungary and Ukraine. The capital city is Satu Mare.

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.