CCTLD (Country Code Top Level Domain) S – Z

Icon represents ccTLD.
Source: smashingstocks for flaticon.com

Each country has its own domain extension specified by the International Organization for Standards consisting of two characters. This is called a Country Code Top Level Domain or ccTLD. The first ccTLDs were delegated to the United States (.us), United Kingdom (.uk), and Italy (.it) in 1985.

Most ccTLDs are allocated to nations or states. In most cases, the government itself determines the policies for its ccTLD and appoints a registry operator (meaning an institution) to enforce them. The registry operator manages the top-level domain by running and maintaining the hardware (the name server infrastructure) needed to answer queries for its part of the hierarchy, meaning the domain.

Here are a few examples of registry operators countries have delegated to enforce their ccTLD:

  • Barbados (.bb) and Finland (.fi) have government ministry operators
  • Yemen (.ye) and San Marino (.sm) have telecom operators
  • Chile (.cl) and the Bahamas (.bs) have university operators
  • Austria (.at) and greenland (.gs) have private company operators
  • Belgium (.be) and New Zealand (.nz) have non profit operators

ICANN

Internet Corporation for Assigned Names and Numbers (ICANN) is the company that regulates the allocation of all ccTLDs. It assumes responsibility for IP address space allocation, protocol parameter assignment, domain name system management, and root server system management functions previously performed under U.S. Government contract.

ccTLDs for country names beginning with letters S-Z

Domain Extension Country
sa Saudi Arabia
sb Solomon Islands
sc Seychelles
sd Sudan
se Sweden
sg Singapore
sh Saint Helena
si Slovenia
sj Svalbard and Jan Mayen Islands
sk Slovak Republic
sl Sierra Leone
sm San Marino
sn Senegal
so Somalia
sr Suriname
st Sao Tome and Principe
su USSR (former)
sv El Salvador
sy Syria
sz Swaziland
tc Turks and Caicos Islands
td Chad
tf French Southern Territories
tg Togo
th Thailand
tj Tajikistan
tk Tokelau
tm Turkmenistan
tn Tunisia
to Tonga
tp East Timor
tr Turkey
tt Trinidad and Tobago
tv Tuvalu
tw Taiwan
tz Tanzania
ua Ukraine
ug Uganda
uk United Kingdom
um US Minor Outlying Islands
us United States
uy Uruguay
uz Uzbekistan
va Vatican City State
vc Saint Vincent and the Grenadines
ve Venezuela
vg Virgin Islands (British)
vi Virgin Islands (US)
vn Viet Nam
vu Vanuatu
wf Wallis and Futuna Islands
ws Samoa
ye Yemen
yt Mayotte
yu Yugoslavia
za South Africa
zm Zambia
zr Zaire
zw Zimbabwe

For more country-specific domain extensions, visit our other comprehensive lists:

  • ccTLDs for countries beginning with letters A-E
  • ccTLDs for countries beginning with letters F-L
  • ccTLDs for countries beginning with  letters M-R

UPDATE: This article was updated April 2021 by Abby Dykes.

Abby Braden
Abby Braden
Abby Braden is an award-winning writer and editor for websites such as TechnologyAdvice.com, Webopedia.com, and Project-Management.com, where she covers technology trends and enterprise and SMB project management platforms. When she’s not writing about technology, she enjoys giving too many treats to her dog and coaching part-time at her local gym.

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