the internet code for Turkey is - ".tr".
Information about .tr domains
There are estimated to be about 291,795 domains with .tr suffix (2014).
The Intended use for .tr domains is for entities connected with Turkey.
Actual use: Very popular in Turkey, especially com.tr subdomain (as of 19 February 2008, there were 103175 com.tr registrations).
The .tr internet code was Introduced in 1991.
The Sponsoring Organisation for .tr domains is "Middle East Technical University Department of Computer Engineering".
Structure of .tr ccTLD: Second-level registrations were initially prohibited; registration was at third level beneath generic-category 2nd level domains, with the exception of the registrar website nic.tr.
Registration restrictions of .tr domain: Restrictions on generic names, registrant must be located in Turkey or have representative there.
Middle East Technical University Department of Computer Engineering's contact details - See link
For .tr domain registration click on the following link - See link
For a whois search on .tr domains click on the following link - See link
You can see more details about the .tr ccTLD in Wikipedia - See link
Internet website in Turkey with .tr code (2014)
.tr code is used by 0.20% of all world's websites.
Most popular websites with .tr domain
Internet ipaddress and mailsevers
IP Addresses: 16,297,256.
Number of Internet Users (2014)
Turkey makes up 1.21% of the world's Internet users and it ranked on 18 place compared to other countries in the world.
According to data from internetlivestats.com there are 35,358,888 internet users in Turkey, which makes up about 46.62% of Turkey's population (75,837,020).
Search for .tr domains on google Turkey - See link
SOURCES OF INFORMATION
Domain Count Statistics for TLDs - See link