Jánovce (Hungarian: Dunajánosháza, known colloquially as Jánosháza) is a village and municipality in Galanta District of the Trnava Region of south-west Slovakia. It has a population of about 449 people.
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History
In historical records the village was first mentioned in 1792. Before the establishment of independent Czechoslovakia in 1918, it was part of Pozsony County within the Kingdom of Hungary.
Geography
The municipality lies at an altitude of 120 metres (390 ft) and covers an area of 2.84 km2 (1.10 sq mi) (2025).
Population
It has a population of 527 people (31 December 2025).
Ethnicity
In year 2021 was 492 people by ethnicity 390 as Slovak, 102 as Hungarian, 10 as Not found out, 5 as Ukrainian, 4 as Other, 2 as Czech, 2 as Romani, 1 as Serbian, 1 as German and 1 as Albanian.
Note on population: The difference values of population numbers in the table "Population statistic" and in the sections "Ethnicity" & "Religion" is caused by the use of various statistical methods.
Religion
In year 2021 was 492 people by religion 284 from Roman Catholic Church, 133 from None, 36 from Evangelical Church, 19 from Not found out, 6 from Greek Catholic Church, 3 from Christian Congregations in Slovakia, 3 from Islam, 2 from Eastern Orthodox Church, 2 from Other and not ascertained christian church, 1 from Old Catholic Church, 1 from Calvinist Church, 1 from Other and 1 from Buddhism.