page_title: Esztergom County
section_title: History
hierarchical_section_title: Esztergom County / History
caption_attribution_description: Magyar: Komárom megye kialakítása 1950-ben. 1 Fejér megyétől Komáromhoz, 2 Veszprém megyétől Komáromhoz, 3 Győr-Moson megye, 4 Veszprém megye, 5 Nógrád-Hont megye, 6 Komárom megye 1950-től, 7 mai megyehatár, 8 megszűnt 1949-es megyehatár
context_page_description: Esztergom County was an administrative county of the Kingdom of Hungary, situated on both sides of the Danube river. Its territory is now divided between Hungary and Slovakia. The territory to the north of the Danube is part of Slovakia, while the territory to the south of the Danube is part of Hungary.
context_section_description: A predecessor of the county existed as early as in the 9th century, when Esztergom (Slovak: Ostrihom) was one of the most important castles of Great Moravia. The Esztergom county as a comitatus arose at the end of the 10th century as one of the first comitatus of the Kingdom of Hungary. The county had a special status in that since 1270 its heads were at the same time the archbishops of Esztergom. 
  In the aftermath of World War I, the part of Esztergom county north of the Danube became part of newly formed Czechoslovakia, as recognized by the concerned states in 1920 by the Treaty of Trianon. The southern part remained in Hungary and merged with the southern part of Komárom county to form Komárom-Esztergom County in 1923. 
  Following the provisions of the First Vienna Award, the Czechoslovak part became again part of Hungary in November 1938. The old Esztergom county was recreated. After World War II, the Trianon borders were reestablished and Komárom-Esztergom County was recreated again. In 1950, it was renamed to Komárom county and received some additional territories. This county was eventually was renamed to Komárom-Esztergom county again in 1990. The part of the county north of the river Danube is now in Slovakia and is part of the Nitra region.
caption: The formation of modern Komárom-Esztergom County. (1) territory assigned from Fejér County to Komárom-Esztergom County in 1950. (2) territory assigned from Veszprém County to Komárom-Esztergom County in 1950.
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