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Ukraine (in Ukrainian, romanized) is a sovereign country in Eastern Europe. It is a unitary republic whose capital and largest city is Kyiv. The modern state emerged from centuries of regional history and was a constituent republic of the Soviet Union until declaring independence in 1991.

Geography and neighbours

Ukraine occupies a large area of the European plain with varied terrain from fertile plains to forested highlands and a long coastline. Its international borders bring it into contact with many countries: Russia to the north‑east, Belarus to the north‑west, and European Union neighbours Poland and Slovakia to the west. To the south‑west lie Hungary, Romania and Moldova (including the breakaway region of Transnistria), while the Black Sea sits to the south.

Administrative and demographic features

Ukraine is divided into administrative regions (oblasts), each centered on a principal city. The Crimean peninsula is internationally recognised as part of Ukraine but has been under Russian control since 2014, a situation that remains a central element of contemporary politics. Ukrainian is the state language, and cities such as Kyiv, Kharkiv, Lviv and Odesa serve as cultural and economic hubs.

History and development

Territories of present‑day Ukraine were shaped by medieval states such as Kyivan Rus', later by Polish‑Lithuanian and Ottoman influences, and the Russian Empire. In the 20th century most of the area became part of the Soviet Union from 1922 until independence in 1991. Since independence Ukraine has undergone political and economic transformation, marked by mass protests in 2004 and 2013–14, Russia's annexation of Crimea in 2014, and a broader security crisis that escalated with the large‑scale invasion in 2022.

Economy, society and culture

The economy combines agriculture, heavy industry, mining and services; Ukraine is known as a significant grain producer and exporter. Its cultural life includes rich traditions in literature, music, folk arts and Orthodox Christian heritage. Language and regional identities vary, with Ukrainian as the predominant national language and sizeable minority communities speaking other languages.

Importance and current issues

Ukraine's strategic location, agricultural capacity and industrial base make it important to European and global security, trade and energy transit. Key contemporary issues include territorial integrity, reforms in governance and the economy, relations with the European Union and NATO aspirational dynamics, and humanitarian and reconstruction challenges following recent conflicts.

For concise country profiles and further reading see regional references and official sources linked above.