Haniska is a village and municipality in Košice-okolie District in the Kosice Region of eastern Slovakia.
Historically, the village was first mentioned in 1288. Haniska has been its official name since 1921, and was a co-name in the early 20th century and most of the 19th century. Its Hungarian name, its original and former co-name, is Enyiczke, variously spelled Enjiczke, Enjicske, and Enyicske.
The village lies at an altitude of 233 metres and covers an area of 17.289 km². It has a population of about 1370 people..
The records for genealogical research are available at the state archive "Statny Archiv in Kosice, Slovakia"
Coordinates: 48°43′N 21°15′E / 48.717°N 21.250°E