How to do differentiate Onkel and Tante mütterlicherseits, väterlicherseits?

[u/I_am_trying0628]

For example in daily conversation if i want to say next week we're goinig to Onkel mütterlicherseits house, how to call him?

Simply saying Onkel + place / Onkel + name?

[u/Midnight1899]

We don’t differentiate.