ÃÂierna nad Tisou () is a town and municipality in the Trebià ¡ov District in the Koà ¡ice Region of extreme south-eastern Slovakia, near the Tisa (Tisza) river.
The town and municipality is one of the newest in the Koà ¡ice Region established in 1828.
In 1968, from 29 July to 1 August, Soviet and Czechoslovak leaders Leonid Brezhnev and Alexander DubÃÂek met in ÃÂierna nad Tisou. This meeting was followed by the Warsaw Pact invasion of Czechoslovakia on 20 August 1968.
It is close to the tripoint between Hungary, Ukraine and Slovakia.
It has a population ofÃÂ people (31 December ).
Due to the decline of railway traffic, the population size has decreased considerable in the first decades of the 21st century. From the peak of about 5,000 inhabitants in mid-1990s, the population of ÃÂierna nad Tisou decreased to about 3,400 in 2025, representing the fastest decline of town population over that period in Slovakia.
The town has a pharmacy, and outpatient health facilities of a general practitioner and children and adolescents. The town has a public library, gymnasium, a post office, and a number of general and food stores.
The town has a railway border crossing to Ukraine, where all trains have to change gauge. With 916 tracks this town is the biggest "harbour on land" in Central Europe. The first town across the border in Ukraine is Chop.
ÃÂierna nad Tisou is twinned with:
The records for genealogical research are available at the state archive "Statny Archiv in Kosice, Slovakia"