Passage: Since 2008 she has had interests in telecommunications, media, retail, finance and the energy industry, both in Angola and in Portugal. In addition to her commercial interest in oil and diamonds, Isabel dos Santos also owns shares in the Angola cement company Nova Cimangola. Jadeium, a company held by Isabel dos Santos, acquired 4.918% of ZON Multimedia shares from Spain’s Telefonica.Through the Netherlands-based Unitel International Holdings BV, a company controlled by Isabel dos Santos, the Angolan businesswoman is the main shareholder of ZON Multimédia with 29% since July 2012. She is member of the board of Angolan bank in Lisbon, Banco BIC Português, and through Santoro Holding she holds 20% stakes at Banco Português de Investimento. She has other major stakes with the Angolan state oil company Sonangol through their mutual European Law holding, based in the Netherlands, named Esperanza Holding, in Portuguese Galp Energia. Isabel dos Santos is a founding member and Board member of Banco BIC Português, which recently acquired Banco Português de Negócios, a nationalized bank.Since November 2012 Isabel dos Santos is a non-executive board member of ZON. In December 2012, Isabel dos Santos announced the invitation for a merger of ZON with Sonaecom, proved in March 2013 by the General Assembly. Eight months later, after the green light from the Competition Authority, the merger of the two companies was formalized on August 27, 2013, with the transfer to ZOPT, a special purpose vehicle created to advance the operation which became the owner of more 50% of the capital of the new group, the shares that Isabel dos Santos and Sonaecom hold on Zon and Optimus respectively. There was a capital increase of ZOPT through contribution in kind from 50 to 716 million euros, while Sonaecom subscribed 358 million shares of the company, by delivering 81.8% of its stake in Optimus. The Angolan businesswoman, on her turn, subscribed exactly the same number of shares of ZOPT, through her holdings Kento and Unitel International,...

Question: Isabel dos Santos has interest in telecommunication in which country?
Angola and in Portugal