Prime
Minister Recep Tayyip Erdogan will run for Turkish president in the
first direct election in August, his governing AK Party has confirmed.
Mr Erdogan has been PM since 2003 but is barred from seeking a new term.In the midst of corruption allegations, critics say he has become more authoritarian, but Mr Erdogan says political foes are trying to oust him.
Turkey's largely ceremonial president was previously chosen by parliament. Mr Erdogan wants to boost its powers.
In April, President Abdullah Gul ruled out a job swap with Mr Erdogan when his term ends.
The AKP has won six consecutive elections, at national and local level, maintaining a solid base of support among the working class.
Tuesday's announcement was greeted with loud applause by party members at a meeting in the capital, Ankara.
"The candidate for the 12th president is our prime minister, head of our party and Istanbul lawmaker Recep Tayyip Erdogan," Mehmet Ali Sahin, deputy AKP leader, said.
Mr Erdogan's opponents accuse him of losing touch with ordinary people after more than a decade in power.
A wave of opponents rose up in May 2013 against the government's plans to convert Gezi Park in Istanbul into a replica military barracks. The prime minister called the demonstrators "capulcu"(riff-raff) - and ordered the police to retake the park.
Last December, prosecutors and police officers organised dawn raids against more than 50 businessmen, including the sons of three cabinet ministers - all allies of the prime minister.
Mr Erdogan said the park protests and the raids were each orchestrated from abroad - a reference to the Gulen movement - named after its leader, a 72-year-old Islamic scholar, Fethullah Gulen, who lives in self-imposed exile in the US.
Mr Gulen's Hizmet movement was unhappy with the way Mr Erdogan dealt with the Gezi Park protesters.
In April, Turkey said it would launch extradition proceedings against Mr Gulen.
He has many supporters in the police and judiciary, and has denounced moves to shut down the investigation into corruption allegations levelled against several of the prime minister's allies.