This map shows the territorial expansion of the Sasanian Empire from 226 to 651 CE.
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Dcoetzee. Uploaded by Jan van der Crabben, published on 07 May 2013 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.