At the end of Cumhuriyet Caddesi is the grand Kütahya Ulu Camii, also known as the Yıldırım Beyazıt Han Camii. It was built between 1381 and 1410 under Sultan Beyazıt I and renovated in 1893 by Abdülhamit II. I consider it to be one of the most beautiful of the lesser-known mosques in Turkey.
The biggest mosque in Kütahya is decorated mostly in blue and white with touches of red, gold, and black. Those happen to be the most common colors in traditional Kütahya tiles. Click here for a virtual tour of the mosque.
My favorite feature of the mosque is the fountain in the center of the prayer hall.
Don’t miss the şadırvan (ablutions fountain) in front of the entrance. It’s adorned with Kütahya tiles.