Wilno District[a] was a district of the Civil Administration of the Eastern Lands from June 1919[1] to September 1920, and Provisional Administration of Front-line and Phase Territories from September 1920[2] to December 1920,[3] all of which were under the control of the Second Polish Republic.

[4] It was established on 7 June 1919 from the lands conquered from the Socialist Soviet Republic of Lithuania and Belorussia by Poland.

[1] It was formed as a district of the civil administration under the control of Second Polish Republic, of the lands conquered by it during the Polish–Soviet War.

[5] It consisted of the counties of Wilno, Troki, Oszmiana, Święciany, Lida, Grodno and Nowogródek.

[8] On 9 September 1920, the district was incorporated into, then formed, Provisional Administration of Front-line and Phase Territories.