Sovereign countries (11)
Eleven sovereign UN member states have English names beginning with A. A handful of inhabited territories, dependencies, and special zones also start with A — listed below in their own section. The total count of "A" entries depends on which list you consult, but the sovereign-nation answer is fixed at eleven.
Afghanistan
Kabul · Asia
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Albania
Tirana · Europe
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Algeria
Algiers · Africa
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Andorra
Andorra la Vella · Europe
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Angola
Luanda · Africa
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Antigua and Barbuda
Saint John's · The Caribbean
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Argentina
Buenos Aires · South America
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Armenia
Yerevan · Asia
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Australia
Canberra · Oceania
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Austria
Vienna · Europe
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Azerbaijan
Baku · Asia
View Report →Territories and other entities (5)
Inhabited territories, dependencies, and special zones whose English names also begin with A. These are not sovereign UN member states but have their own administrative status.
American Samoa
Unincorporated U.S. territory
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Anguilla
British Overseas Territory
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Aruba
Constituent country, Kingdom of the Netherlands
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Akrotiri
UK Sovereign Base Area on Cyprus
View Report →Antarctica
No sovereign government — governed by the Antarctic Treaty
View Report →Related letter lookups
Browsing the alphabet is a popular way to teach geography. Try the neighbouring letters:
- Countries That Start With B — Eighteen nations from Bahamas to Burundi.
- Countries That Start With Z — Two nations — Zambia and Zimbabwe.
- Countries That Start With O — Just one country — Oman.
Quick answer for skimmers
Q: How many countries start with A?
A: Eleven sovereign UN member states. Several inhabited territories and one international treaty zone (Antarctica) also begin with A.
Q: Is Antarctica a country?
A: No. Antarctica has no native population and no sovereign government — it is governed under the 1959 Antarctic Treaty, which sets the continent aside for peaceful, scientific use.
Q: Why do Australia and Austria sound so similar?
A: They are unrelated linguistically. "Australia" comes from Latin terra australis (southern land); "Austria" comes from Old High German Ostarrîchi (eastern realm). The accidental near-rhyme has confused mailrooms for two centuries.
Country profiles mentioned in this post:

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Afghanistan
Albania
Algeria
Andorra
Angola
Antigua and Barbuda
Argentina
Armenia
Australia
Austria
Azerbaijan