The historical lands

The boundaries of [historical countries](https://likumi.lv/ta/id/324253-latviesu-vesturisko-zemju-likums) used in the publication of data of the Central Statistical Bureau. Sources used to digitise borders: * [Annex 1 to the Latvian Historical Lands Act](https://likumi.lv/ta/id/324253-latviesu-vesturisko-zemju-likums); * [Annex 5 to the covering letter of the Latvian historical lands](http://titania.saeima.lv/LIVS13/saeimalivs13.nsf/0/49dd803b19adef94c22585ed002c04d5/$FILE/788.pdf); * The boundaries of the territorial units of the State Land Service [published](https://data.gov.lv/dati/lv/dataset/administrativo-teritoriju-karte) 1.7.2021; * [LVM GEO WMS](https://www.lvmgeo.lv/dati) layers Topo75LKS, Orto_LKS and EarthLKS; * [vesture.dodies.lv](https://vesture.dodies.lv/) layers “1908 оенно-тосо Õраси е ас (1 verst)”, “1914-19 Karte des westlichen Russlands” and “1920-1940 Latvian army 25K”; * [cadastre Information System Open Spatial Data](https://data.gov.lv/dati/lv/dataset/kadastra-informacijas-sistemas-atverti-telpiskie-dati) layer KKParcel (land unit borders) according to the situation 1.1.2022; * [LGIA stage 3 topographic map M 1:10 000](https://www.lgia.gov.lv/lv/topografiskas-kartes-meroga-110-000) layer hydrax_L (watercourse axes).