Prague's Old Town buildings are among Europe's oldest continuously-inhabited stock. Certified stays document what medieval walls hide — humidity, dust, and mold audits.
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certified stays
Local facts
Medieval Old Town UNESCO
4-season continental climate
Gothic + Baroque architecture
Air Quality
Every certified Prague property monitors PM2.5 and CO₂ in real time.
Humidity 30-55%
The hospitality humidity sweet-spot, verified 24/7.
Turnover Verified
Time-stamped cleaning between every guest — no exceptions.