Ukraine is a country in Eastern Europe. It is bordered by Russia to the east; Belarus to the north; Poland, Slovakia, and Hungary to the west; Romania and Moldova (including the breakaway Pridnestrovie) to the southwest; and the Black Sea and Sea of Azov to the south. The city of Kiev (Kyiv) is both the capital and the largest city of Ukraine.

The nation's modern history began with that of the East Slavs. From at least the 9th century, the territory of Ukraine was a center of the medieval East Slavic civilization. This state, known as the Kievan Rus' became the largest and most powerful nation in Europe, but disintegrated in the 12th century. From the 14th century on, the territory of Ukraine was divided among a number of regional powers, and by the 19th century, the largest part of Ukraine was integrated into the Russian Empire, with the rest under Austro-Hungarian control. After a chaotic period of incessant warfare and several attempts at independence (1917–21) following World War I and the Russian Civil War, Ukraine emerged in 1922 as one of the founding republics of the Soviet Union. The Ukrainian Soviet Socialist Republic's territory was enlarged westward shortly before and after World War II, and again in 1954 with the Crimea transfer. In 1945, the Ukrainian SSR became one of the co-founding members of the United Nations. Ukraine became independent again after the dissolution of the Soviet Union in 1991. This began a period of transition to a market economy, in which Ukraine was stricken with an eight year recession. Since then, the economy has been experiencing a stable increase, with real GDP growth averaging eight percent annually.

Ukraine is a unitary state composed of 24 oblasts (provinces), one autonomous republic (Crimea), and two cities with special status: Kiev, its capital, and Sevastopol, which houses the Russian Black Sea Fleet under a leasing agreement. Ukraine is a republic under a semi-presidential system with separate legislative, executive, and judicial branches. Since the collapse of the USSR, Ukraine continues to maintain the second largest military in Europe, after that of Russia. The country is home to 46.2 million people, 77.8 percent of whom are ethnic Ukrainians, with sizable minorities of Russians, Belarusians and Romanians. The Ukrainian language is the only official language in Ukraine, while Russian is also widely spoken and is known to most Ukrainians as a second language. The dominant religion in the country is Eastern Orthodox Christianity, which has heavily influenced Ukrainian architecture, literature and music.

Administrative divisions
Main articles: Ukrainian historical regions and Administrative divisions of Ukraine

The system of Ukrainian subdivisions reflects the country's status as a unitary state (as stated in the country's constitution) with unified legal and administrative regimes for each unit.

Ukraine is subdivided into twenty-four oblasts (provinces) and one autonomous republic (avtonomna respublika), Crimea. Additionally, the cities of Kiev, the capital, and Sevastopol, both have a special legal status. The 24 oblasts and Crimea are subdivided into 490 raions (districts), or second-level administrative units. The average area of a Ukrainian raion is 1,200 square kilometres (460 sq mi); the average population of a raion is 52,000 people.

Urban areas (cities) can either be subordinated to the state (as in the case of Kiev and Sevastopol), the oblast or raion administrations, depending on their population and socio-economic importance. Lower administrative units include urban-type settlements, which are similar to rural communities, but are more urbanized, including industrial enterprises, educational facilities, and transport connections, and villages.

In total, Ukraine has 457 cities, 176 of them are labeled oblast-class, 279 smaller raion-class cities, and two special legal status cities. These are followed by 886 urban-type settlements and 28,552 villages.

Geography

At 603,700 square kilometres (233,100 sq mi) and with a coastline of 2,782 square kilometres (1,074 sq mi), Ukraine is the world's 44th-largest country (after the Central African Republic, before Madagascar). It is the second largest country in Europe (after the European part of Russia, before metropolitan France).

The Ukrainian landscape consists mostly of fertile plains (or steppes) and plateaus, crossed by rivers such as the Dnieper (Dnipro), Seversky Donets, Dniester and the Southern Buh as they flow south into the Black Sea and the smaller Sea of Azov. To the southwest, the delta of the Danube forms the border with Romania. The country's only mountains are the Carpathian Mountains in the west, of which the highest is the Hora Hoverla at 2,061 metres (6,760 ft), and those on the Crimean peninsula, in the extreme south along the coast.

Ukraine has a mostly temperate continental climate, although a more Mediterranean climate is found on the southern Crimean coast. Precipitation is disproportionately distributed; it is highest in the west and north and lowest in the east and southeast. Western Ukraine, receives around 1,200 millimetres (47 in) of precipitation annually, while Crimea receives around 400 millimetres (16 in). Winters vary from cool along the Black Sea to cold farther inland. Average annual temperatures range from 5.5–7 °C (42–45 °F) in the north, to 11–13 °C (52–55.4 °F) in the south.

Language

According to the Constitution, the state language of Ukraine is Ukrainian. Russian, which was the de facto official language of the Soviet Union, is widely spoken, especially in eastern and southern Ukraine. According to the 2001 census, 67.5 percent of the population declared Ukrainian as their native language and 29.6 percent declared Russian. Most native Ukrainian speakers know Russian as a second language.

These details result in a significant difference across different survey results, as even a small restating of a question switches responses of a significant group of people.[f] Ukrainian is mainly spoken in western and central Ukraine. In western Ukraine, Ukrainian is also the dominant language in cities (such as Lviv). In central Ukraine, Ukrainian and Russian are both equally used in cities, with Russian being more common in Kiev,[f] while Ukrainian is the dominant language in rural communities. In eastern and southern Ukraine, Russian is primarily used in cities, and Surzhyk is used in rural areas.

For a large part of the Soviet era, the number of Ukrainian speakers was declining from generation to generation, and by the mid-1980s, the usage of the Ukrainian language in public life had decreased significantly. Following independence, the government of Ukraine began following a policy of Ukrainisation, to increase the use of Ukrainian, while discouraging Russian, which has been banned or restricted in the media and films. This means that Russian-language programmes need a Ukrainian translation or subtitles, but this excludes Russian language media made during the Soviet era.

According to the Constitution of the Autonomous Republic of Crimea, Ukrainian is the only state language of the republic. However, the republic's constitution specifically recognises Russian as the language of the majority of its population and guarantees its usage 'in all spheres of public life'. Similarly, the Crimean Tatar language (the language of 12 percent of population of Crimea) is guaranteed a special state protection as well as the 'languages of other ethnicities'. Russian speakers constitute an overwhelming majority of the Crimean population (77 percent), with Ukrainian speakers comprising just 10.1 percent, and Crimean Tatar speakers 11.4 percent. But in everyday life the majority of Crimean Tatars and Ukrainians in Crimea use Russian.