Blank map of Algerians Wilayas (administratives provinces), as in 2009. Each Wilaya in the file is an independent polygon.
Own work

Source of data for the current version (2009-11): NGDC World Coast Line (public domain);
Reference for the boundaries: SGIIAR (Système de Gestion Intégré de l'Information Agricole et Rurale of Algeria).
Sémhur ·✉·✍·, updates by Sting