Places you need to visit - Wroclaw
Ostrów Tumski is the oldest part of the city of Wrocław. It was formerly an island (ostrów in Old Polish) known as the Cathedral Island between the branches of the Oder River, featuring the Wrocław Cathedral built originally in the mid 10th century.
The 13th century Main Market Square (Rynek) prominently displays the Old Town Hall. In the north-west corner of the market square there is the St. Elisabeth's Church (Bazylika Św. Elżbiety) with its 91,46 m tower, which has an observation deck (75 m). North of the church are the Shambles with Monument of Remembrance of Animals for Slaughter (pl). Salt Square (now a flower market) is located at the south-western corner of the market square. Close to the square, between Szewska and Łaciarska streets, there is the St. Mary Magdalene Church (Kościół Św. Marii Magdaleny) established in the 13th century.
Źródło: https://en.wikipedia.org/wiki/Wroc%C5%82aw
In that mountainous places in Poland worth a trip?
Admittedly, the geographical Polish made that this is really a very attractive tourist destination. In the case of mountain ranges we can observe here a lot of very different elevations. This is undoubtedly a huge asset. Certainly one of the most visited mountain ranges in Poland is the Tatras. The highest mountains in Poland tempt us not only amazing views, but above all unique nature. Also worth a visit in the Bieszczady Mountains and the Owl. In Poland, we find many other mountain ranges, all of which are worthy of attention, for example, the Holy Cross Mountains and Table Mountains. Fans of high-altitude trips are therefore in Poland many possibilities for your vacation.
Poland: interesting natural places
In Poland, we find a lot of sites that are attractive from the environmental point of view. Actually, in each province we can find no problem region, which is worth a visit just for that reason. Certainly the most attractive in terms of natural places, and also the most frequently chosen by tourists regions are mountains. The highest mountains in Polish is a place where you can really relax, and by the way also to learn about the local wildlife. Of course, Poland is worth a visit also in other Polish regions: notable, for example Bialowieza Forest and mites. The sea also find unique natural regions that are worth seeing.