Take context from the input text and decide on the accurate relationship between 'Merkel' and 'Germany' from the options provided.
Options: headquarters location, distribution format, subsidiary, location of formation

Speaking in Istanbul at a joint news conference with Turkish Prime Minister Ahmet Davutoglu, Merkel said Germany could help accelerate the path to visa-free travel to the EU for Turks and push forward Ankara's protracted EU membership talks.
headquarters location