Wind Hellas (formerly Telestet Hellas and later also TIM Hellas) is an integrated telecommunications provider with headquarters in Athens, Greece. Wind is the third largest mobile operator in Greece (after Cosmote and Vodafone) with more than 4.4 million active subscribers (September 2010). The actual numbers for the years after 2015 are confidential but according to the report of Greek Government for the year 2017, Wind has a share of 15-25% of active subscribers of mobile telephony and 10-15% share of active subscribers of fixed telephony.