Hrubý Šúr or Hegysúr (in Slovak: Hrubý Šúr, in Hungarian: Hegysúr) is a village and municipality in western Slovakia in Senec District in the Bratislava Region.

The municipality lies at an altitude of 128 metres and covers an area of 6.207 km. It has a population of 647 people.

In historical records the village was first mentioned in 1245. After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak troops occupied the area, later acknowledged internationally by the Treaty of Trianon. Between 1938 and 1945 Hrubý Šúr once more became part of Miklós Horthy's Hungary through the First Vienna Award. From 1945 until the Velvet Divorce, it was part of Czechoslovakia. Since then it has been part of Slovakia.

Population by nationality:

Nationality	1991	2001
Hungarians	82.54%	74.29%
Slovaks	16.80%	24.29%

The records for genealogical research are available at the state archive "Statny Archiv in Bratislava, Slovakia"

• Roman Catholic church records (births/marriages/deaths): 1711-1898 (parish B)
• Lutheran church records (births/marriages/deaths): 1786-1896 (parish B)
• Reformated church records (births/marriages/deaths): 1784-1910 (parish B)

• List of municipalities and towns in Slovakia

• https://web.archive.org/web/20071217080336/http://www.statistics.sk/mosmis/eng/run.html
• Surnames of living people in Hruby Sur