Which places or regions are suitable for mountain trekking in Poland for travelers for 10 days?

Poland is the country located in Central Europe and for travelers especially hikers should first visit the 4-day hiking in Polish Tatras region which is gaining more and more attention where at Day 1, you reach a town called Zakopane where the hike starts moving to Kuznice - Murowaniec hostel and see beautiful lakes on your way. Day 2 is the hardest with the trail being extremely steep and even more difficult 3 hours hike from Murowaniec - Dolina Gasienicowa (2-hour hike from there) ? Zawrat (the hardest region of all trails) - Dolina Pi?ciu Stawów hostel. Day 3 is a pleasing trail to Morskie Oko, where you have two options, an easy blue trail of a 2-hour hike or a more difficult 4 hours yellow trail hike and observe beautiful lake on your way. Day 4 is started following a red trail that will take a whole day to Czarny Staw ? Rysy. Now the rest of your 6 days should be planned by first visiting the infamous Warsaw and Krakow, having a day trip to Malbork Castle or Baltic Coast, and a day trip to Auschwitz-Birkenau and then visiting Gdansk.