Šalčininkai District Municipality

Šalčininkai District Municipality (Lithuanian: Šalčininkų rajono savivaldybė) is one of 60 district municipalities in Lithuania. The municipality is part of the Vilnius County and is located in southeastern Lithuania, next to the Belarus–Lithuania border. The south-eastern border of the municipality with Belarus includes a distinctive salient of Lithuanian territory, known as the Dieveniškės appendix, almost completely surrounded by Belarus.

Šalčininkai is the largest town and the administrative center of the district with its newly built quarters, while the second largest town is Eišiškės, a more historical town, which was the center of the district and the largest town before 1972.

It has a Polish majority population, with three-quarters of the population claiming Polish ethnicity.