Conrad Athens The Ilisian
Athens, Greece
Built 1963 · Last completed renovation 2026
Conrad Athens The Ilisian in Athens was last renovated in 2026, and originally built in 1963. Its HotelChrono freshness score is 9.9/10 — every date linked to a cited source.
Renovation forecast · estimate
Next renovation expected around 2034
In about 8 years (≈8-year cycle). A model estimate, not a sourced fact.
Photo via Wikimedia Commons
Location
Satellite view · Athens, Greece
Timeline
1963
Hilton Athens opened
2022
Renovation and redevelopment commenced
2026
Reopened as Conrad Athens The Ilisian
⚖️ Star classification · Greece
re-classified every 5 yearsStar certificates from the Hellenic Chamber of Hotels are valid 5 years, then a re-inspection is mandatory (or sooner if the property changes).
System: Hellenic Chamber of Hotels (Law 4276/2014)
“The Classification Certificate is valid for 5 years and is subject to a re-inspection following the expiry date or whenever a change takes place that impacts the operational or technical characteristics.”
How this score is computed
Every figure here traces back to the sourced renovation year above — no hidden weighting, no black box. Recompute it yourself. See the full methodology →
What changed in the 2026 renovation
“On 23 April 2026, exactly 63 years after it first welcomed guests...reopened...as Conrad Athens The Ilisian”— source · retrieved 2026-09-18
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
5★
Built
Sourced1963
Last completed renovation
Sourced2026
Ownership & operator
Who runs and owns this hotel, at the company level — from public sources. The decision layer behind every renovation.
Ownership data depth
1/3 · 33%
- ✓ Operating brand
- ○ Management / operator
- ○ Ownership
FF&E supplier or contractor? The Renovation Radar package adds the ownership group, operator and a sourced public business contact for hotels approaching their renovation cycle.
See the Renovation Radar →Sources
Our iron rule: no quote, no data. Every date links back to the exact sentence it came from.
“On 23 April 2026, exactly 63 years after it first welcomed guests...reopened...as Conrad Athens The Ilisian”
“The hotel closed on January 31, 2022, for comprehensive renovations.”
“The original Athens Hilton...inaugurated in 1963”
“The date is symbolic, as the 'Hilton' welcomed its first guest exactly 63 years ago, on April 23, 1963”
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<a href="https://hotelchrono.com/hotel/conrad-athens-the-ilisian-athens" target="_blank" rel="noopener"> <img src="https://hotelchrono.com/api/badge/conrad-athens-the-ilisian-athens.svg" alt="Conrad Athens The Ilisian — Chrono Score, verified by HotelChrono" width="360" height="112"> </a>
More hotels in Athens
All hotels in Athens →All Conrad hotels →Frequently asked
When was Conrad Athens The Ilisian built?+
Conrad Athens The Ilisian (Athens, Greece) was built in 1963.
How old is Conrad Athens The Ilisian?+
Conrad Athens The Ilisian is 63 years old — it was built in 1963 and last renovated in 2026. Age measures the building; the Chrono Score measures how fresh it feels today.
When was Conrad Athens The Ilisian last renovated?+
Its most recent completed renovation was in 2026.
What is the Chrono Score of Conrad Athens The Ilisian?+
Its Chrono Score is 9.9/10 (Fresh) — a pure freshness metric, separate from its 5-star rating.