Ukrainian Soviet Socialist Republic (Cherry, Plum, and Chrysanthemum)

The Ukrainian Soviet Socialist Republic (Ukrainian: Украї́нська Радя́нська Соціалісти́чна Респу́бліка Ukrayínsʹka Radyánsʹka Sotsialistýchna Respúblika), commonly referred to as the Ukrainian SSR, is a sovereign Soviet socialist state and one of the fifteen constituent republics of the Soviet Union. The Ukrainian SSR is comprised of two autonomous republics, twenty five oblasts and two cities with special status, Kharkiv, the capital, and Sevastopol, respectively. The Ukrainian SSR is a founding member of the United Nations, although it was legally represented by the All-Union state in its affairs with countries outside of the Soviet Union.

Geographically, the Ukrainian SSR is situated in Eastern Europe to the north of the Black Sea and internationally bordered by Poland on the northwest; Czechoslovakia on the west; and Romania on the south. Within the Soviet Union, the Ukrainian SSR is bordered by the Russian SFSR on the east; the Moldavian SSR on the south; and the Byelorussian SSR on the north. The Ukrainian SSR's border with Czechoslovakia forming the Soviet Union's western-most border point.