Some background information about Lublin:
LUBLIN - GEOGRAPHY
At only 175 kilometers from Warsaw, Lublin is not only worth visiting solely for its monuments. It is a centre of one of the eastern provinces of Poland, and with a population of 350,000 it is the biggest Polish city east of the Vistula River.
Lublin is located on the Lublin Upland. The Bystrzyca river divides the city into two diverse parts: the western side is made up of undulating hills with a number of interesting valleys and gorges; while it is flatter on the eastern side. The city has great possibilities for recreation for western visitors with its blend of tradition, rural crafts, and a large lake and several forests to wander through.
more information from:
http://www.staypoland.com/about_lublin.htm