Bulgarians in Ukraine is the fifth biggest minority in the country primarily residing in the southern regions where they make up a significant minority living in the Odessa Oblast, the city of Bolhrad.

In Ukraine, the number of Bulgarians is estimated at over 140,000 (the 2001 Ukrainian Census counted a total of 204,600 Bulgarians, this including an undetermined number of more recent emigrants), being a majority in Bolhrad District and also inhabiting other districts of Budjak in the Odessa Oblast in the southern part of the country. Many Bulgarians have moved to Odessa, the regional capital in recent years.

The Ukrainian Oblasts with the highest number of Bulgarians are:

The modern population of Bulgarians settled in the region at the end of the 18th and beginning of the 19th century, at the time of feudal sedition in the Ottoman Empire and after the Russo-Turkish Wars of the period. Particularly strong waves of emigration emerged after the Russo-Turkish Wars of 1806–1812 and 1828-1829. The settlers came primarily from what is now eastern Bulgaria, but many were also descendants of Bulgarians of the western part of the country that had moved east in and before the 18th century. Among the Bulgarians that emigrated were also a handful of Albanians who also had settled in eastern Bulgaria some time ago.

After arriving, the Bulgarians founded their own towns, such as Bolhrad (1819) and Comrat, and around 64 villages. In 1856, after the Treaty of Paris, the region of Bessarabia was divided with the southwestern parts, including Bolhrad, Izmail and Kilia, incorporated into Moldova (since 1861 — Kingdom of Romania), and the northeastern ones, centred on Comrat, remained in the Russian Empire. A Bulgarian gymnasium (school) was founded in Bolhrad on 28 June 1858, which had serious effect on the development of Bulgarian education and culture, and is in fact the first modern Bulgarian gymnasium.

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Wikipedia