Vodafone Turkey was formed when Telsim, which was founded by the Uzan Group, was included in Vodafone group on 28 December 2005. On 24 May 2006 Telsim brand name was changed into Vodafone Turkey. Incorporated by the Vodafone Group, one of the biggest international mobile communication companies of the world in terms of revenues, Vodafone Turkey is the 2nd biggest mobile communication company of Turkey with 18.352 million users as of 30 June, 2012, an increase of 105,000 customers from the fourth quarter of 2011. As the second biggest direct international investment of Turkey, the total investment of Vodafone Turkey, including the acquisitions, since 2006 has exceeded TL 11 billion. Vodafone Turkey operates in 81 cities of Turkey with its approximately more than 3300 employees, more than 1200 stores, 23 thousand points of sale and a stakeholder family of 53 thousand people.