Athens
39 km²
Hanoi
3,359 km²
Greece
Vietnam
Area Comparison
Athens is 86.1x smaller than Hanoi
Population Comparison
Athens has 12.6x fewer people than Hanoi
Yes — Hanoi is 86.1x larger than Athens by area. Hanoi spans 3,359 km² (1,297 mi²) while Athens covers 39 km² (15 mi²) — a difference of 3,320 km². You could fit Athens inside Hanoi approximately 86 times.
To put Athens's size in perspective, its area of 39 km² is about 1.5x smaller than Manhattan. Meanwhile, Hanoi at 3,359 km² is about 1.2x smaller than Rhode Island.
In more relatable units, Athens's 39 km² is about 5,500 American football fields, 80 times the area of Vatican City, or 19 times the area of Monaco. Hanoi, by comparison, equals about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris.
Athens is the capital and largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica region and is the southernmost capital on the European mainland. With its urban area's population numbering over 3.6 million, it is the eighth-largest urban area in the European Union (EU).
Known as "Cradle of Western Civilization", Athens covers 39 km² with a population of 0.6 million. The city was founded around 7000 BC. Athens is known for Acropolis of Athens, Parthenon, Plaka neighborhood, among other attractions.
Athens is the southernmost capital on the European mainland and capital of the Attica region.
Hanoi is the capital and second-most populous municipality of Vietnam. It encompasses an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523. Hanoi had the second-highest gross regional domestic product of all Vietnamese provinces and municipalities at US$48 billion in 2023, behind Ho Chi Minh City. It hosts 78 foreign embassies, the headquarters of the Vietnam People's Army (VPA), its Vietnam National University system, and other governmental organizations.
Also known as "City Between Rivers", Hanoi has an area of 3,359 km² and is home to 8.1 million people. The city dates back to 1010. Visitors come for Hoan Kiem Lake, Old Quarter, Temple of Literature, and much more. Getting around is easy with the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Athens has a population density of 16,410 people per km² — an extremely dense urban environment. Hanoi, with 2,397 people per km², is a moderately dense city. Athens is dramatically more crowded, with 6.8x the population density.
Athens has a Mediterranean climate climate while Hanoi experiences humid subtropical conditions.
Size Ratio
Athens fits inside Hanoi ~86 times
Density Gap
Athens is 6.8x more densely populated
History
Athens is ~8,010 years older
Athens covers 39 km². Cities with a similar urban footprint include Manila (43 km²), Tel Aviv (52 km²), Zurich (88 km²), Copenhagen (91 km²), or Lisbon (100 km²).
Hanoi covers 3,359 km². Cities with a similar urban footprint include Karachi (3,527 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 km²).
The straight-line distance from Athens to Hanoi is 7,920 km (4,921 miles), with an estimated flight time of ~9h 49m.
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