Komárom (Hungarian: [ˈkomaːrom]; German: Komorn or Comorra; Latin: Brigetio, later Comaromium; Slovak: Komárno) is a city in Hungary on the south bank of the Danube in Komárom-Esztergom County.

The bigger northern part of the city was attached to Czechoslovakia, renamed Komárno, its created a sizable Hungarian minority in present-day Slovakia.

At the end of World War II the city was again divided between Hungary and Czechoslovakia, Komárno is in today's Slovakia on the northern bank of the Danube.

At the beginning of the 12th century, this tribe founded the town's Benedictine Monastery in honor of the Blessed Virgin, mentioned in 1222 by the name of Monostorium de Koppán.

[6] After setting up the Czechoslovak administration, the ethnic composition of Komárno partially changed, but the Hungarians still outnumbered the Slovak population.

[7] The southern part of the city remained in Hungary, called Komárom-Újváros, was for a few years the seat of the truncated Komárom County.

[7] Regent of Kingdom of Hungary, Miklós Horthy receiving a tumultuous welcome from the citizens as he crossed the old bridge and entered the formerly dismembered part.

[9] The two towns used to be a border crossing between Czechoslovakia (today Slovakia) and Hungary, until both countries became part of the Schengen Area, resulting in all immigration and customs checks being lifted on 12 December 2007.