Not from Eastern Europe, but from India. Most buildings are made from bricks. Good enough to block most of the sound from adjacent apartment.

In fact, some builders started using drywalls and there has been a pushback because drywall is considered poor quality material by people here. Which it absolutely is when the country has 4 months of monsoon every year. Drywall doesn't play well with moisture, does it?

https://thelogicalindian.com/exclusive/krishnaraj-rao-lodha-builders/