The Bezirk Eisenstadt-Umgebung (Croatian: Kotar Željezno-okolica; Hungarian: Kismarton Járás) is an administrative district (Bezirk) in the federal state of Burgenland, Austria.

The area of the district is 455.5 km2, with a population of 44,787 (2024), and a population density of 99 persons per km2.

The administrative center of the district is Eisenstadt (Croatian: Željezno), itself a statutory city outside of the district.

The district consists of the below municipalities and towns.

This Burgenland location article is a stub.