The 2015 G-20 Summit was held at –

The correct answer is: A. Istanbul – Turkey

The G20 is an international forum for the governments and central bank governors of the world’s major economies. It was established in 1999 to discuss major global economic issues. The G20 Summit is an annual meeting of the G20 leaders. The 2015 G20 Summit was held in Istanbul, Turkey on November 15-16, 2015. The theme of the summit was “Building an Innovative, Interconnected and Inclusive World Economy.” The main topics of discussion at the summit included the global economy, trade, climate change, and energy security.

The other options are incorrect because:

• Option B: Antalya is a city in Turkey, but it is not the capital. The capital of Turkey is Ankara.
• Option C: Ankara is the capital of Turkey, but it is not the city where the 2015 G20 Summit was held. The 2015 G20 Summit was held in Istanbul.
• Option D: Izmir is a city in Turkey, but it is not the capital. The capital of Turkey is Ankara.