City boundary and urban district boundaries, Vienna, 1920

<strong>Release notes: </strong>This repository is currently under review. We encourage users to wait until the review process has been completed before downloading and using the data. <strong>This data repository</strong> includes the following datasets: City boundary 1920 (CB_1920.shp) Urban district boundaries 1920 (UDB_1920.shp) City boundary 2020 (CB_2020.shp)