Esma Sultanija Mosque - Jajce
Esma Sultanija who was married to Bosnian vizier - Mehmed Pahsa Mušinović and had the mosque built in Jajce in 1753.
For the contructions of the Mosque itself is attached beautiful story but tragical story. The Sultana fell ill and was told swould get better again if she would built a mosque there where two rivers meet, and she did. 
She paid the mosque with an earing she took of her ear. Unfortunately she did not live to see the moque finished, but elegance and beauty of the building keep the memories on her still alive.

Also it is believed to be the only female called mosque in whole Europe.