Where to find tiles?

[Henkan-]

We have an entrance with tiles as shown in the images below. Some tiles have cracked and I would need to replace them with new ones. Can anyone suggest where I could find the same or similar ones?

Henkan

 

[ajonoh]

Hello!
What a shame that the tiles have cracked.
Hmm... those were odd measurements... and unfortunately, I don't know where you can find similar ones
But if you don't succeed with that, maybe you could instead install a nice mosaic? Either in a nice color you like or a more neutral color. Or maybe you could use the broken tiles to make mosaic pieces out of them?
Good luck!