Internet in Bulgaria

.bg is the country code top-level domain (ccTLD) for Bulgaria in the Domain Name System of the Internet. As of 2025, it is operated by Register.BG, the official registry responsible for managing domain registrations in the .bg namespace.

Bulgarian-language edition of Wikipedia

'''''' (abbreviation of ) is an internationalized country code top-level domain (IDN ccTLD) for Bulgaria. The ASCII DNS name of the domain would be , according to rules of the Internationalizing Domain Names in Applications procedures.

KAFOS (Karadeniz Fiber Optik Sistemi - Black Sea Fibre Optic System) is a submarine telecommunications cable system in the Black Sea linking Romania, Bulgaria, and Turkey.